66033640

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{3581}}^1$

素因数の和:4053

約数の個数: 32

約数和(自身を含む): 148939560

約数和(自身を除く): 82905920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3581, 3688, 4610, 7162, 9220, 14324, 17905, 18440, 28648, 35810, 71620, 143240, 1650841, 3301682, 6603364, 8254205, 13206728, 16508410, 33016820, 66033640]

約数ペア:

[(1, 66033640), (2, 33016820), (4, 16508410), (5, 13206728), (8, 8254205), (10, 6603364), (20, 3301682), (40, 1650841), (461, 143240), (922, 71620), (1844, 35810), (2305, 28648), (3581, 18440), (3688, 17905), (4610, 14324), (7162, 9220)]