64625780

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{5659}}^1$

素因数の和:6239

約数の個数: 24

約数和(自身を含む): 135975840

約数和(自身を除く): 71350060

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5659, 5710, 11318, 11420, 22636, 28295, 56590, 113180, 3231289, 6462578, 12925156, 16156445, 32312890, 64625780]

約数ペア:

[(1, 64625780), (2, 32312890), (4, 16156445), (5, 12925156), (10, 6462578), (20, 3231289), (571, 113180), (1142, 56590), (2284, 28295), (2855, 22636), (5659, 11420), (5710, 11318)]