38997560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 106444800

約数和(自身を除く): 67447240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 43, 56, 70, 79, 82, 86, 140, 158, 164, 172, 205, 215, 280, 287, 301, 316, 328, 344, 395, 410, 430, 553, 574, 602, 632, 790, 820, 860, 1106, 1148, 1204, 1435, 1505, 1580, 1640, 1720, 1763, 2212, 2296, 2408, 2765, 2870, 3010, 3160, 3239, 3397, 3526, 4424, 5530, 5740, 6020, 6478, 6794, 7052, 8815, 11060, 11480, 12040, 12341, 12956, 13588, 14104, 16195, 16985, 17630, 22120, 22673, 23779, 24682, 25912, 27176, 32390, 33970, 35260, 45346, 47558, 49364, 61705, 64780, 67940, 70520, 90692, 95116, 98728, 113365, 118895, 123410, 129560, 135880, 139277, 181384, 190232, 226730, 237790, 246820, 278554, 453460, 475580, 493640, 557108, 696385, 906920, 951160, 974939, 1114216, 1392770, 1949878, 2785540, 3899756, 4874695, 5571080, 7799512, 9749390, 19498780, 38997560]

約数ペア:

[(1, 38997560), (2, 19498780), (4, 9749390), (5, 7799512), (7, 5571080), (8, 4874695), (10, 3899756), (14, 2785540), (20, 1949878), (28, 1392770), (35, 1114216), (40, 974939), (41, 951160), (43, 906920), (56, 696385), (70, 557108), (79, 493640), (82, 475580), (86, 453460), (140, 278554), (158, 246820), (164, 237790), (172, 226730), (205, 190232), (215, 181384), (280, 139277), (287, 135880), (301, 129560), (316, 123410), (328, 118895), (344, 113365), (395, 98728), (410, 95116), (430, 90692), (553, 70520), (574, 67940), (602, 64780), (632, 61705), (790, 49364), (820, 47558), (860, 45346), (1106, 35260), (1148, 33970), (1204, 32390), (1435, 27176), (1505, 25912), (1580, 24682), (1640, 23779), (1720, 22673), (1763, 22120), (2212, 17630), (2296, 16985), (2408, 16195), (2765, 14104), (2870, 13588), (3010, 12956), (3160, 12341), (3239, 12040), (3397, 11480), (3526, 11060), (4424, 8815), (5530, 7052), (5740, 6794), (6020, 6478)]