20110181840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1\times {\mathrm{1619}}^1$

素因数の和:2221

約数の個数: 160

約数和(自身を含む): 54873987840

約数和(自身を除く): 34763806000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 541, 560, 574, 656, 820, 1082, 1148, 1435, 1619, 1640, 2164, 2296, 2705, 2870, 3238, 3280, 3787, 4328, 4592, 5410, 5740, 6476, 7574, 8095, 8656, 10820, 11333, 11480, 12952, 15148, 16190, 18935, 21640, 22181, 22666, 22960, 25904, 30296, 32380, 37870, 43280, 44362, 45332, 56665, 60592, 64760, 66379, 75740, 88724, 90664, 110905, 113330, 129520, 132758, 151480, 155267, 177448, 181328, 221810, 226660, 265516, 302960, 310534, 331895, 354896, 443620, 453320, 464653, 531032, 621068, 663790, 776335, 875879, 887240, 906640, 929306, 1062064, 1242136, 1327580, 1552670, 1751758, 1774480, 1858612, 2323265, 2484272, 2655160, 3105340, 3503516, 3717224, 4379395, 4646530, 5310320, 6131153, 6210680, 7007032, 7434448, 8758790, 9293060, 12262306, 12421360, 14014064, 17517580, 18586120, 24524612, 30655765, 35035160, 35911039, 37172240, 49049224, 61311530, 70070320, 71822078, 98098448, 122623060, 143644156, 179555195, 245246120, 251377273, 287288312, 359110390, 490492240, 502754546, 574576624, 718220780, 1005509092, 1256886365, 1436441560, 2011018184, 2513772730, 2872883120, 4022036368, 5027545460, 10055090920, 20110181840]

約数ペア:

[(1, 20110181840), (2, 10055090920), (4, 5027545460), (5, 4022036368), (7, 2872883120), (8, 2513772730), (10, 2011018184), (14, 1436441560), (16, 1256886365), (20, 1005509092), (28, 718220780), (35, 574576624), (40, 502754546), (41, 490492240), (56, 359110390), (70, 287288312), (80, 251377273), (82, 245246120), (112, 179555195), (140, 143644156), (164, 122623060), (205, 98098448), (280, 71822078), (287, 70070320), (328, 61311530), (410, 49049224), (541, 37172240), (560, 35911039), (574, 35035160), (656, 30655765), (820, 24524612), (1082, 18586120), (1148, 17517580), (1435, 14014064), (1619, 12421360), (1640, 12262306), (2164, 9293060), (2296, 8758790), (2705, 7434448), (2870, 7007032), (3238, 6210680), (3280, 6131153), (3787, 5310320), (4328, 4646530), (4592, 4379395), (5410, 3717224), (5740, 3503516), (6476, 3105340), (7574, 2655160), (8095, 2484272), (8656, 2323265), (10820, 1858612), (11333, 1774480), (11480, 1751758), (12952, 1552670), (15148, 1327580), (16190, 1242136), (18935, 1062064), (21640, 929306), (22181, 906640), (22666, 887240), (22960, 875879), (25904, 776335), (30296, 663790), (32380, 621068), (37870, 531032), (43280, 464653), (44362, 453320), (45332, 443620), (56665, 354896), (60592, 331895), (64760, 310534), (66379, 302960), (75740, 265516), (88724, 226660), (90664, 221810), (110905, 181328), (113330, 177448), (129520, 155267), (132758, 151480)]