203460560

素因数分解:

$2^4\times 5^1\times {\mathrm{2543257}}^1$

素因数の和:2543270

約数の個数: 20

約数和(自身を含む): 473045988

約数和(自身を除く): 269585428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543257, 5086514, 10173028, 12716285, 20346056, 25432570, 40692112, 50865140, 101730280, 203460560]

約数ペア:

[(1, 203460560), (2, 101730280), (4, 50865140), (5, 40692112), (8, 25432570), (10, 20346056), (16, 12716285), (20, 10173028), (40, 5086514), (80, 2543257)]