89492740

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{6959}}^1$

素因数の和:7611

約数の個数: 24

約数和(自身を含む): 188254080

約数和(自身を除く): 98761340

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 6959, 12860, 13918, 27836, 34795, 69590, 139180, 4474637, 8949274, 17898548, 22373185, 44746370, 89492740]

約数ペア:

[(1, 89492740), (2, 44746370), (4, 22373185), (5, 17898548), (10, 8949274), (20, 4474637), (643, 139180), (1286, 69590), (2572, 34795), (3215, 27836), (6430, 13918), (6959, 12860)]