20076890600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{179}}^2\times {\mathrm{241}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 50761607820

約数和(自身を除く): 30684717220

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 179, 200, 241, 260, 325, 358, 482, 520, 650, 716, 895, 964, 1205, 1300, 1432, 1790, 1928, 2327, 2410, 2600, 3133, 3580, 4475, 4654, 4820, 6025, 6266, 7160, 8950, 9308, 9640, 11635, 12050, 12532, 15665, 17900, 18616, 23270, 24100, 25064, 31330, 32041, 35800, 43139, 46540, 48200, 58175, 62660, 64082, 78325, 86278, 93080, 116350, 125320, 128164, 156650, 160205, 172556, 215695, 232700, 256328, 313300, 320410, 345112, 416533, 431390, 465400, 560807, 626600, 640820, 801025, 833066, 862780, 1078475, 1121614, 1281640, 1602050, 1666132, 1725560, 2082665, 2156950, 2243228, 2804035, 3204100, 3332264, 4165330, 4313900, 4486456, 5608070, 6408200, 7721881, 8330660, 8627800, 10413325, 11216140, 14020175, 15443762, 16661320, 20826650, 22432280, 28040350, 30887524, 38609405, 41653300, 56080700, 61775048, 77218810, 83306600, 100384453, 112161400, 154437620, 193047025, 200768906, 308875240, 386094050, 401537812, 501922265, 772188100, 803075624, 1003844530, 1544376200, 2007689060, 2509611325, 4015378120, 5019222650, 10038445300, 20076890600]

約数ペア:

[(1, 20076890600), (2, 10038445300), (4, 5019222650), (5, 4015378120), (8, 2509611325), (10, 2007689060), (13, 1544376200), (20, 1003844530), (25, 803075624), (26, 772188100), (40, 501922265), (50, 401537812), (52, 386094050), (65, 308875240), (100, 200768906), (104, 193047025), (130, 154437620), (179, 112161400), (200, 100384453), (241, 83306600), (260, 77218810), (325, 61775048), (358, 56080700), (482, 41653300), (520, 38609405), (650, 30887524), (716, 28040350), (895, 22432280), (964, 20826650), (1205, 16661320), (1300, 15443762), (1432, 14020175), (1790, 11216140), (1928, 10413325), (2327, 8627800), (2410, 8330660), (2600, 7721881), (3133, 6408200), (3580, 5608070), (4475, 4486456), (4654, 4313900), (4820, 4165330), (6025, 3332264), (6266, 3204100), (7160, 2804035), (8950, 2243228), (9308, 2156950), (9640, 2082665), (11635, 1725560), (12050, 1666132), (12532, 1602050), (15665, 1281640), (17900, 1121614), (18616, 1078475), (23270, 862780), (24100, 833066), (25064, 801025), (31330, 640820), (32041, 626600), (35800, 560807), (43139, 465400), (46540, 431390), (48200, 416533), (58175, 345112), (62660, 320410), (64082, 313300), (78325, 256328), (86278, 232700), (93080, 215695), (116350, 172556), (125320, 160205), (128164, 156650)]