90863480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73277}}^1$

素因数の和:73319

約数の個数: 32

約数和(自身を含む): 211040640

約数和(自身を除く): 120177160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 73277, 146554, 293108, 366385, 586216, 732770, 1465540, 2271587, 2931080, 4543174, 9086348, 11357935, 18172696, 22715870, 45431740, 90863480]

約数ペア:

[(1, 90863480), (2, 45431740), (4, 22715870), (5, 18172696), (8, 11357935), (10, 9086348), (20, 4543174), (31, 2931080), (40, 2271587), (62, 1465540), (124, 732770), (155, 586216), (248, 366385), (310, 293108), (620, 146554), (1240, 73277)]