13903880

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1237}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 31420440

約数和(自身を除く): 17516560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1237, 1405, 2248, 2474, 2810, 4948, 5620, 6185, 9896, 11240, 12370, 24740, 49480, 347597, 695194, 1390388, 1737985, 2780776, 3475970, 6951940, 13903880]

約数ペア:

[(1, 13903880), (2, 6951940), (4, 3475970), (5, 2780776), (8, 1737985), (10, 1390388), (20, 695194), (40, 347597), (281, 49480), (562, 24740), (1124, 12370), (1237, 11240), (1405, 9896), (2248, 6185), (2474, 5620), (2810, 4948)]