161624060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{621631}}^1$

素因数の和:621653

約数の個数: 24

約数和(自身を含む): 365519616

約数和(自身を除く): 203895556

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 621631, 1243262, 2486524, 3108155, 6216310, 8081203, 12432620, 16162406, 32324812, 40406015, 80812030, 161624060]

約数ペア:

[(1, 161624060), (2, 80812030), (4, 40406015), (5, 32324812), (10, 16162406), (13, 12432620), (20, 8081203), (26, 6216310), (52, 3108155), (65, 2486524), (130, 1243262), (260, 621631)]