65259980

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{5323}}^1$

素因数の和:5945

約数の個数: 24

約数和(自身を含む): 137295312

約数和(自身を除く): 72035332

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 5323, 6130, 10646, 12260, 21292, 26615, 53230, 106460, 3262999, 6525998, 13051996, 16314995, 32629990, 65259980]

約数ペア:

[(1, 65259980), (2, 32629990), (4, 16314995), (5, 13051996), (10, 6525998), (20, 3262999), (613, 106460), (1226, 53230), (2452, 26615), (3065, 21292), (5323, 12260), (6130, 10646)]