87919820

素因数分解:

$2^2\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{2777}}^1$

素因数の和:4369

約数の個数: 24

約数和(自身を含む): 184814784

約数和(自身を除く): 96894964

約数列:

[1, 2, 4, 5, 10, 20, 1583, 2777, 3166, 5554, 6332, 7915, 11108, 13885, 15830, 27770, 31660, 55540, 4395991, 8791982, 17583964, 21979955, 43959910, 87919820]

約数ペア:

[(1, 87919820), (2, 43959910), (4, 21979955), (5, 17583964), (10, 8791982), (20, 4395991), (1583, 55540), (2777, 31660), (3166, 27770), (5554, 15830), (6332, 13885), (7915, 11108)]