4128804560

素因数分解:

$2^4\times 5^1\times {\mathrm{51610057}}^1$

素因数の和:51610070

約数の個数: 20

約数和(自身を含む): 9599470788

約数和(自身を除く): 5470666228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51610057, 103220114, 206440228, 258050285, 412880456, 516100570, 825760912, 1032201140, 2064402280, 4128804560]

約数ペア:

[(1, 4128804560), (2, 2064402280), (4, 1032201140), (5, 825760912), (8, 516100570), (10, 412880456), (16, 258050285), (20, 206440228), (40, 103220114), (80, 51610057)]