90941090

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{102181}}^1$

素因数の和:102277

約数の個数: 16

約数和(自身を含む): 165534840

約数和(自身を除く): 74593750

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 102181, 204362, 510905, 1021810, 9094109, 18188218, 45470545, 90941090]

約数ペア:

[(1, 90941090), (2, 45470545), (5, 18188218), (10, 9094109), (89, 1021810), (178, 510905), (445, 204362), (890, 102181)]