4055156740

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{788941}}^1$

素因数の和:789207

約数の個数: 24

約数和(自身を含む): 8548975512

約数和(自身を除く): 4493818772

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 788941, 1577882, 3155764, 3944705, 7889410, 15778820, 202757837, 405515674, 811031348, 1013789185, 2027578370, 4055156740]

約数ペア:

[(1, 4055156740), (2, 2027578370), (4, 1013789185), (5, 811031348), (10, 405515674), (20, 202757837), (257, 15778820), (514, 7889410), (1028, 3944705), (1285, 3155764), (2570, 1577882), (5140, 788941)]