87738820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337457}}^1$

素因数の和:337479

約数の個数: 24

約数和(自身を含む): 198425304

約数和(自身を除く): 110686484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 337457, 674914, 1349828, 1687285, 3374570, 4386941, 6749140, 8773882, 17547764, 21934705, 43869410, 87738820]

約数ペア:

[(1, 87738820), (2, 43869410), (4, 21934705), (5, 17547764), (10, 8773882), (13, 6749140), (20, 4386941), (26, 3374570), (52, 1687285), (65, 1349828), (130, 674914), (260, 337457)]