4556140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1451}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 9635472

約数和(自身を除く): 5079332

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1451, 1570, 2902, 3140, 5804, 7255, 14510, 29020, 227807, 455614, 911228, 1139035, 2278070, 4556140]

約数ペア:

[(1, 4556140), (2, 2278070), (4, 1139035), (5, 911228), (10, 455614), (20, 227807), (157, 29020), (314, 14510), (628, 7255), (785, 5804), (1451, 3140), (1570, 2902)]