1620020740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6230849}}^1$

素因数の和:6230871

約数の個数: 24

約数和(自身を含む): 3663739800

約数和(自身を除く): 2043719060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6230849, 12461698, 24923396, 31154245, 62308490, 81001037, 124616980, 162002074, 324004148, 405005185, 810010370, 1620020740]

約数ペア:

[(1, 1620020740), (2, 810010370), (4, 405005185), (5, 324004148), (10, 162002074), (13, 124616980), (20, 81001037), (26, 62308490), (52, 31154245), (65, 24923396), (130, 12461698), (260, 6230849)]