89807080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{204107}}^1$

素因数の和:204129

約数の個数: 32

約数和(自身を含む): 220436640

約数和(自身を除く): 130629560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 204107, 408214, 816428, 1020535, 1632856, 2041070, 2245177, 4082140, 4490354, 8164280, 8980708, 11225885, 17961416, 22451770, 44903540, 89807080]

約数ペア:

[(1, 89807080), (2, 44903540), (4, 22451770), (5, 17961416), (8, 11225885), (10, 8980708), (11, 8164280), (20, 4490354), (22, 4082140), (40, 2245177), (44, 2041070), (55, 1632856), (88, 1020535), (110, 816428), (220, 408214), (440, 204107)]