64422320

素因数分解:

$2^4\times 5^1\times {\mathrm{805279}}^1$

素因数の和:805292

約数の個数: 20

約数和(自身を含む): 149782080

約数和(自身を除く): 85359760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 805279, 1610558, 3221116, 4026395, 6442232, 8052790, 12884464, 16105580, 32211160, 64422320]

約数ペア:

[(1, 64422320), (2, 32211160), (4, 16105580), (5, 12884464), (8, 8052790), (10, 6442232), (16, 4026395), (20, 3221116), (40, 1610558), (80, 805279)]