7907980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5569}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 16843680

約数和(自身を除く): 8935700

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 5569, 11138, 22276, 27845, 55690, 111380, 395399, 790798, 1581596, 1976995, 3953990, 7907980]

約数ペア:

[(1, 7907980), (2, 3953990), (4, 1976995), (5, 1581596), (10, 790798), (20, 395399), (71, 111380), (142, 55690), (284, 27845), (355, 22276), (710, 11138), (1420, 5569)]