870915340

素因数分解:

$2^2\times 5^1\times {\mathrm{43545767}}^1$

素因数の和:43545776

約数の個数: 12

約数和(自身を含む): 1828922256

約数和(自身を除く): 958006916

約数列:

[1, 2, 4, 5, 10, 20, 43545767, 87091534, 174183068, 217728835, 435457670, 870915340]

約数ペア:

[(1, 870915340), (2, 435457670), (4, 217728835), (5, 174183068), (10, 87091534), (20, 43545767)]