15919880

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1181}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 35956440

約数和(自身を除く): 20036560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1181, 1348, 1685, 2362, 2696, 3370, 4724, 5905, 6740, 9448, 11810, 13480, 23620, 47240, 397997, 795994, 1591988, 1989985, 3183976, 3979970, 7959940, 15919880]

約数ペア:

[(1, 15919880), (2, 7959940), (4, 3979970), (5, 3183976), (8, 1989985), (10, 1591988), (20, 795994), (40, 397997), (337, 47240), (674, 23620), (1181, 13480), (1348, 11810), (1685, 9448), (2362, 6740), (2696, 5905), (3370, 4724)]