91225640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{207331}}^1$

素因数の和:207353

約数の個数: 32

約数和(自身を含む): 223918560

約数和(自身を除く): 132692920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 207331, 414662, 829324, 1036655, 1658648, 2073310, 2280641, 4146620, 4561282, 8293240, 9122564, 11403205, 18245128, 22806410, 45612820, 91225640]

約数ペア:

[(1, 91225640), (2, 45612820), (4, 22806410), (5, 18245128), (8, 11403205), (10, 9122564), (11, 8293240), (20, 4561282), (22, 4146620), (40, 2280641), (44, 2073310), (55, 1658648), (88, 1036655), (110, 829324), (220, 414662), (440, 207331)]