57178640

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2657}}^1$

素因数の和:2939

約数の個数: 40

約数和(自身を含む): 133484760

約数和(自身を除く): 76306120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2657, 2690, 4304, 5314, 5380, 10628, 10760, 13285, 21256, 21520, 26570, 42512, 53140, 106280, 212560, 714733, 1429466, 2858932, 3573665, 5717864, 7147330, 11435728, 14294660, 28589320, 57178640]

約数ペア:

[(1, 57178640), (2, 28589320), (4, 14294660), (5, 11435728), (8, 7147330), (10, 5717864), (16, 3573665), (20, 2858932), (40, 1429466), (80, 714733), (269, 212560), (538, 106280), (1076, 53140), (1345, 42512), (2152, 26570), (2657, 21520), (2690, 21256), (4304, 13285), (5314, 10760), (5380, 10628)]