90491620

素因数分解:

$2^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{3931}}^1$

素因数の和:5091

約数の個数: 24

約数和(自身を含む): 190245888

約数和(自身を除く): 99754268

約数列:

[1, 2, 4, 5, 10, 20, 1151, 2302, 3931, 4604, 5755, 7862, 11510, 15724, 19655, 23020, 39310, 78620, 4524581, 9049162, 18098324, 22622905, 45245810, 90491620]

約数ペア:

[(1, 90491620), (2, 45245810), (4, 22622905), (5, 18098324), (10, 9049162), (20, 4524581), (1151, 78620), (2302, 39310), (3931, 23020), (4604, 19655), (5755, 15724), (7862, 11510)]