22628840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43517}}^1$

素因数の和:43541

約数の個数: 32

約数和(自身を含む): 54832680

約数和(自身を除く): 32203840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 43517, 87034, 174068, 217585, 348136, 435170, 565721, 870340, 1131442, 1740680, 2262884, 2828605, 4525768, 5657210, 11314420, 22628840]

約数ペア:

[(1, 22628840), (2, 11314420), (4, 5657210), (5, 4525768), (8, 2828605), (10, 2262884), (13, 1740680), (20, 1131442), (26, 870340), (40, 565721), (52, 435170), (65, 348136), (104, 217585), (130, 174068), (260, 87034), (520, 43517)]