22786280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{51787}}^1$

素因数の和:51809

約数の個数: 32

約数和(自身を含む): 55931040

約数和(自身を除く): 33144760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 51787, 103574, 207148, 258935, 414296, 517870, 569657, 1035740, 1139314, 2071480, 2278628, 2848285, 4557256, 5696570, 11393140, 22786280]

約数ペア:

[(1, 22786280), (2, 11393140), (4, 5696570), (5, 4557256), (8, 2848285), (10, 2278628), (11, 2071480), (20, 1139314), (22, 1035740), (40, 569657), (44, 517870), (55, 414296), (88, 258935), (110, 207148), (220, 103574), (440, 51787)]