51118520

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1409}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 115225200

約数和(自身を除く): 64106680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1409, 1814, 2818, 3628, 4535, 5636, 7045, 7256, 9070, 11272, 14090, 18140, 28180, 36280, 56360, 1277963, 2555926, 5111852, 6389815, 10223704, 12779630, 25559260, 51118520]

約数ペア:

[(1, 51118520), (2, 25559260), (4, 12779630), (5, 10223704), (8, 6389815), (10, 5111852), (20, 2555926), (40, 1277963), (907, 56360), (1409, 36280), (1814, 28180), (2818, 18140), (3628, 14090), (4535, 11272), (5636, 9070), (7045, 7256)]