90899240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{809}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 208712700

約数和(自身を除く): 117813460

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 809, 1060, 1618, 2120, 2809, 3236, 4045, 5618, 6472, 8090, 11236, 14045, 16180, 22472, 28090, 32360, 42877, 56180, 85754, 112360, 171508, 214385, 343016, 428770, 857540, 1715080, 2272481, 4544962, 9089924, 11362405, 18179848, 22724810, 45449620, 90899240]

約数ペア:

[(1, 90899240), (2, 45449620), (4, 22724810), (5, 18179848), (8, 11362405), (10, 9089924), (20, 4544962), (40, 2272481), (53, 1715080), (106, 857540), (212, 428770), (265, 343016), (424, 214385), (530, 171508), (809, 112360), (1060, 85754), (1618, 56180), (2120, 42877), (2809, 32360), (3236, 28090), (4045, 22472), (5618, 16180), (6472, 14045), (8090, 11236)]