28373680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 72209664

約数和(自身を除く): 43835984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 673, 680, 1054, 1240, 1346, 1360, 2108, 2480, 2635, 2692, 3365, 4216, 5270, 5384, 6730, 8432, 10540, 10768, 11441, 13460, 20863, 21080, 22882, 26920, 41726, 42160, 45764, 53840, 57205, 83452, 91528, 104315, 114410, 166904, 183056, 208630, 228820, 333808, 354671, 417260, 457640, 709342, 834520, 915280, 1418684, 1669040, 1773355, 2837368, 3546710, 5674736, 7093420, 14186840, 28373680]

約数ペア:

[(1, 28373680), (2, 14186840), (4, 7093420), (5, 5674736), (8, 3546710), (10, 2837368), (16, 1773355), (17, 1669040), (20, 1418684), (31, 915280), (34, 834520), (40, 709342), (62, 457640), (68, 417260), (80, 354671), (85, 333808), (124, 228820), (136, 208630), (155, 183056), (170, 166904), (248, 114410), (272, 104315), (310, 91528), (340, 83452), (496, 57205), (527, 53840), (620, 45764), (673, 42160), (680, 41726), (1054, 26920), (1240, 22882), (1346, 21080), (1360, 20863), (2108, 13460), (2480, 11441), (2635, 10768), (2692, 10540), (3365, 8432), (4216, 6730), (5270, 5384)]