65488340

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{11821}}^1$

素因数の和:12107

約数の個数: 24

約数和(自身を含む): 138033672

約数和(自身を除く): 72545332

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 11821, 23642, 47284, 59105, 118210, 236420, 3274417, 6548834, 13097668, 16372085, 32744170, 65488340]

約数ペア:

[(1, 65488340), (2, 32744170), (4, 16372085), (5, 13097668), (10, 6548834), (20, 3274417), (277, 236420), (554, 118210), (1108, 59105), (1385, 47284), (2770, 23642), (5540, 11821)]