222078280

素因数分解:

$2^3\times 5^1\times {\mathrm{5551957}}^1$

素因数の和:5551968

約数の個数: 16

約数和(自身を含む): 499676220

約数和(自身を除く): 277597940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5551957, 11103914, 22207828, 27759785, 44415656, 55519570, 111039140, 222078280]

約数ペア:

[(1, 222078280), (2, 111039140), (4, 55519570), (5, 44415656), (8, 27759785), (10, 22207828), (20, 11103914), (40, 5551957)]