40657360

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:332

約数の個数: 80

約数和(自身を含む): 98993664

約数和(自身を除く): 58336304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 53, 80, 86, 106, 172, 212, 215, 223, 265, 344, 424, 430, 446, 530, 688, 848, 860, 892, 1060, 1115, 1720, 1784, 2120, 2230, 2279, 3440, 3568, 4240, 4460, 4558, 8920, 9116, 9589, 11395, 11819, 17840, 18232, 19178, 22790, 23638, 36464, 38356, 45580, 47276, 47945, 59095, 76712, 91160, 94552, 95890, 118190, 153424, 182320, 189104, 191780, 236380, 383560, 472760, 508217, 767120, 945520, 1016434, 2032868, 2541085, 4065736, 5082170, 8131472, 10164340, 20328680, 40657360]

約数ペア:

[(1, 40657360), (2, 20328680), (4, 10164340), (5, 8131472), (8, 5082170), (10, 4065736), (16, 2541085), (20, 2032868), (40, 1016434), (43, 945520), (53, 767120), (80, 508217), (86, 472760), (106, 383560), (172, 236380), (212, 191780), (215, 189104), (223, 182320), (265, 153424), (344, 118190), (424, 95890), (430, 94552), (446, 91160), (530, 76712), (688, 59095), (848, 47945), (860, 47276), (892, 45580), (1060, 38356), (1115, 36464), (1720, 23638), (1784, 22790), (2120, 19178), (2230, 18232), (2279, 17840), (3440, 11819), (3568, 11395), (4240, 9589), (4460, 9116), (4558, 8920)]