2040281920

素因数分解:

$2^6\times 5^1\times {\mathrm{349}}^1\times {\mathrm{18269}}^1$

素因数の和:18635

約数の個数: 56

約数和(自身を含む): 4872609000

約数和(自身を除く): 2832327080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 349, 698, 1396, 1745, 2792, 3490, 5584, 6980, 11168, 13960, 18269, 22336, 27920, 36538, 55840, 73076, 91345, 111680, 146152, 182690, 292304, 365380, 584608, 730760, 1169216, 1461520, 2923040, 5846080, 6375881, 12751762, 25503524, 31879405, 51007048, 63758810, 102014096, 127517620, 204028192, 255035240, 408056384, 510070480, 1020140960, 2040281920]

約数ペア:

[(1, 2040281920), (2, 1020140960), (4, 510070480), (5, 408056384), (8, 255035240), (10, 204028192), (16, 127517620), (20, 102014096), (32, 63758810), (40, 51007048), (64, 31879405), (80, 25503524), (160, 12751762), (320, 6375881), (349, 5846080), (698, 2923040), (1396, 1461520), (1745, 1169216), (2792, 730760), (3490, 584608), (5584, 365380), (6980, 292304), (11168, 182690), (13960, 146152), (18269, 111680), (22336, 91345), (27920, 73076), (36538, 55840)]