42790480

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{2131}}^1$

素因数の和:2395

約数の個数: 40

約数和(自身を含む): 99931104

約数和(自身を除く): 57140624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2131, 2510, 4016, 4262, 5020, 8524, 10040, 10655, 17048, 20080, 21310, 34096, 42620, 85240, 170480, 534881, 1069762, 2139524, 2674405, 4279048, 5348810, 8558096, 10697620, 21395240, 42790480]

約数ペア:

[(1, 42790480), (2, 21395240), (4, 10697620), (5, 8558096), (8, 5348810), (10, 4279048), (16, 2674405), (20, 2139524), (40, 1069762), (80, 534881), (251, 170480), (502, 85240), (1004, 42620), (1255, 34096), (2008, 21310), (2131, 20080), (2510, 17048), (4016, 10655), (4262, 10040), (5020, 8524)]