57306860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220411}}^1$

素因数の和:220433

約数の個数: 24

約数和(自身を含む): 129602256

約数和(自身を除く): 72295396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 220411, 440822, 881644, 1102055, 2204110, 2865343, 4408220, 5730686, 11461372, 14326715, 28653430, 57306860]

約数ペア:

[(1, 57306860), (2, 28653430), (4, 14326715), (5, 11461372), (10, 5730686), (13, 4408220), (20, 2865343), (26, 2204110), (52, 1102055), (65, 881644), (130, 440822), (260, 220411)]