55676360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 135943920

約数和(自身を除く): 80267560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 1997, 2788, 3485, 3994, 5576, 6970, 7988, 9985, 13940, 15976, 19970, 27880, 33949, 39940, 67898, 79880, 81877, 135796, 163754, 169745, 271592, 327508, 339490, 409385, 655016, 678980, 818770, 1357960, 1391909, 1637540, 2783818, 3275080, 5567636, 6959545, 11135272, 13919090, 27838180, 55676360]

約数ペア:

[(1, 55676360), (2, 27838180), (4, 13919090), (5, 11135272), (8, 6959545), (10, 5567636), (17, 3275080), (20, 2783818), (34, 1637540), (40, 1391909), (41, 1357960), (68, 818770), (82, 678980), (85, 655016), (136, 409385), (164, 339490), (170, 327508), (205, 271592), (328, 169745), (340, 163754), (410, 135796), (680, 81877), (697, 79880), (820, 67898), (1394, 39940), (1640, 33949), (1997, 27880), (2788, 19970), (3485, 15976), (3994, 13940), (5576, 9985), (6970, 7988)]