72596080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12781}}^1$

素因数の和:12865

約数の個数: 40

約数和(自身を含む): 171176544

約数和(自身を除く): 98580464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 12781, 25562, 51124, 63905, 102248, 127810, 204496, 255620, 511240, 907451, 1022480, 1814902, 3629804, 4537255, 7259608, 9074510, 14519216, 18149020, 36298040, 72596080]

約数ペア:

[(1, 72596080), (2, 36298040), (4, 18149020), (5, 14519216), (8, 9074510), (10, 7259608), (16, 4537255), (20, 3629804), (40, 1814902), (71, 1022480), (80, 907451), (142, 511240), (284, 255620), (355, 204496), (568, 127810), (710, 102248), (1136, 63905), (1420, 51124), (2840, 25562), (5680, 12781)]