81318340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{176779}}^1$

素因数の和:176811

約数の個数: 24

約数和(自身を含む): 178194240

約数和(自身を除く): 96875900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 176779, 353558, 707116, 883895, 1767790, 3535580, 4065917, 8131834, 16263668, 20329585, 40659170, 81318340]

約数ペア:

[(1, 81318340), (2, 40659170), (4, 20329585), (5, 16263668), (10, 8131834), (20, 4065917), (23, 3535580), (46, 1767790), (92, 883895), (115, 707116), (230, 353558), (460, 176779)]