89157220

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{4591}}^1$

素因数の和:5571

約数の個数: 24

約数和(自身を含む): 187463808

約数和(自身を除く): 98306588

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3884, 4591, 4855, 9182, 9710, 18364, 19420, 22955, 45910, 91820, 4457861, 8915722, 17831444, 22289305, 44578610, 89157220]

約数ペア:

[(1, 89157220), (2, 44578610), (4, 22289305), (5, 17831444), (10, 8915722), (20, 4457861), (971, 91820), (1942, 45910), (3884, 22955), (4591, 19420), (4855, 18364), (9182, 9710)]