508738280

素因数分解:

$2^3\times 5^1\times {\mathrm{12718457}}^1$

素因数の和:12718468

約数の個数: 16

約数和(自身を含む): 1144661220

約数和(自身を除く): 635922940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 12718457, 25436914, 50873828, 63592285, 101747656, 127184570, 254369140, 508738280]

約数ペア:

[(1, 508738280), (2, 254369140), (4, 127184570), (5, 101747656), (8, 63592285), (10, 50873828), (20, 25436914), (40, 12718457)]