1657844960

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{41281}}^1$

素因数の和:41547

約数の個数: 48

約数和(自身を含む): 3932358192

約数和(自身を除く): 2274513232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 8032, 10040, 20080, 40160, 41281, 82562, 165124, 206405, 330248, 412810, 660496, 825620, 1320992, 1651240, 3302480, 6604960, 10361531, 20723062, 41446124, 51807655, 82892248, 103615310, 165784496, 207230620, 331568992, 414461240, 828922480, 1657844960]

約数ペア:

[(1, 1657844960), (2, 828922480), (4, 414461240), (5, 331568992), (8, 207230620), (10, 165784496), (16, 103615310), (20, 82892248), (32, 51807655), (40, 41446124), (80, 20723062), (160, 10361531), (251, 6604960), (502, 3302480), (1004, 1651240), (1255, 1320992), (2008, 825620), (2510, 660496), (4016, 412810), (5020, 330248), (8032, 206405), (10040, 165124), (20080, 82562), (40160, 41281)]