418611080

素因数分解:

$2^3\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{4729}}^1$

素因数の和:6953

約数の個数: 32

約数和(自身を含む): 942499800

約数和(自身を除く): 523888720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2213, 4426, 4729, 8852, 9458, 11065, 17704, 18916, 22130, 23645, 37832, 44260, 47290, 88520, 94580, 189160, 10465277, 20930554, 41861108, 52326385, 83722216, 104652770, 209305540, 418611080]

約数ペア:

[(1, 418611080), (2, 209305540), (4, 104652770), (5, 83722216), (8, 52326385), (10, 41861108), (20, 20930554), (40, 10465277), (2213, 189160), (4426, 94580), (4729, 88520), (8852, 47290), (9458, 44260), (11065, 37832), (17704, 23645), (18916, 22130)]