90231860

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{5563}}^1$

素因数の和:6383

約数の個数: 24

約数和(自身を含む): 189754656

約数和(自身を除く): 99522796

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 5563, 8110, 11126, 16220, 22252, 27815, 55630, 111260, 4511593, 9023186, 18046372, 22557965, 45115930, 90231860]

約数ペア:

[(1, 90231860), (2, 45115930), (4, 22557965), (5, 18046372), (10, 9023186), (20, 4511593), (811, 111260), (1622, 55630), (3244, 27815), (4055, 22252), (5563, 16220), (8110, 11126)]