180868340

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{11491}}^1$

素因数の和:12287

約数の個数: 24

約数和(自身を含む): 380339232

約数和(自身を除く): 199470892

約数列:

[1, 2, 4, 5, 10, 20, 787, 1574, 3148, 3935, 7870, 11491, 15740, 22982, 45964, 57455, 114910, 229820, 9043417, 18086834, 36173668, 45217085, 90434170, 180868340]

約数ペア:

[(1, 180868340), (2, 90434170), (4, 45217085), (5, 36173668), (10, 18086834), (20, 9043417), (787, 229820), (1574, 114910), (3148, 57455), (3935, 45964), (7870, 22982), (11491, 15740)]