166445680

素因数分解:

$2^4\times 5^1\times {\mathrm{2080571}}^1$

素因数の和:2080584

約数の個数: 20

約数和(自身を含む): 386986392

約数和(自身を除く): 220540712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2080571, 4161142, 8322284, 10402855, 16644568, 20805710, 33289136, 41611420, 83222840, 166445680]

約数ペア:

[(1, 166445680), (2, 83222840), (4, 41611420), (5, 33289136), (8, 20805710), (10, 16644568), (16, 10402855), (20, 8322284), (40, 4161142), (80, 2080571)]