138061160

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{6781}}^1$

素因数の和:7301

約数の個数: 32

約数和(自身を含む): 311293800

約数和(自身を除く): 173232640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 6781, 10180, 13562, 20360, 27124, 33905, 54248, 67810, 135620, 271240, 3451529, 6903058, 13806116, 17257645, 27612232, 34515290, 69030580, 138061160]

約数ペア:

[(1, 138061160), (2, 69030580), (4, 34515290), (5, 27612232), (8, 17257645), (10, 13806116), (20, 6903058), (40, 3451529), (509, 271240), (1018, 135620), (2036, 67810), (2545, 54248), (4072, 33905), (5090, 27124), (6781, 20360), (10180, 13562)]