255291216560

素因数分解:

$2^4\times 5^1\times {\mathrm{3191140207}}^1$

素因数の和:3191140220

約数の個数: 20

約数和(自身を含む): 593552078688

約数和(自身を除く): 338260862128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3191140207, 6382280414, 12764560828, 15955701035, 25529121656, 31911402070, 51058243312, 63822804140, 127645608280, 255291216560]

約数ペア:

[(1, 255291216560), (2, 127645608280), (4, 63822804140), (5, 51058243312), (8, 31911402070), (10, 25529121656), (16, 15955701035), (20, 12764560828), (40, 6382280414), (80, 3191140207)]