10427720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2531}}^1$

素因数の和:2645

約数の個数: 32

約数和(自身を含む): 23699520

約数和(自身を除く): 13271800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 2531, 4120, 5062, 10124, 12655, 20248, 25310, 50620, 101240, 260693, 521386, 1042772, 1303465, 2085544, 2606930, 5213860, 10427720]

約数ペア:

[(1, 10427720), (2, 5213860), (4, 2606930), (5, 2085544), (8, 1303465), (10, 1042772), (20, 521386), (40, 260693), (103, 101240), (206, 50620), (412, 25310), (515, 20248), (824, 12655), (1030, 10124), (2060, 5062), (2531, 4120)]