10215280

素因数分解:

$2^4\times 5^1\times {\mathrm{127691}}^1$

素因数の和:127704

約数の個数: 20

約数和(自身を含む): 23750712

約数和(自身を除く): 13535432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127691, 255382, 510764, 638455, 1021528, 1276910, 2043056, 2553820, 5107640, 10215280]

約数ペア:

[(1, 10215280), (2, 5107640), (4, 2553820), (5, 2043056), (8, 1276910), (10, 1021528), (16, 638455), (20, 510764), (40, 255382), (80, 127691)]