89391760

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{6691}}^1$

素因数の和:6871

約数の個数: 40

約数和(自身を含む): 209111616

約数和(自身を除く): 119719856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 6680, 6691, 13360, 13382, 26764, 33455, 53528, 66910, 107056, 133820, 267640, 535280, 1117397, 2234794, 4469588, 5586985, 8939176, 11173970, 17878352, 22347940, 44695880, 89391760]

約数ペア:

[(1, 89391760), (2, 44695880), (4, 22347940), (5, 17878352), (8, 11173970), (10, 8939176), (16, 5586985), (20, 4469588), (40, 2234794), (80, 1117397), (167, 535280), (334, 267640), (668, 133820), (835, 107056), (1336, 66910), (1670, 53528), (2672, 33455), (3340, 26764), (6680, 13382), (6691, 13360)]