64488460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111187}}^1$

素因数の和:111225

約数の個数: 24

約数和(自身を含む): 140096880

約数和(自身を除く): 75608420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111187, 222374, 444748, 555935, 1111870, 2223740, 3224423, 6448846, 12897692, 16122115, 32244230, 64488460]

約数ペア:

[(1, 64488460), (2, 32244230), (4, 16122115), (5, 12897692), (10, 6448846), (20, 3224423), (29, 2223740), (58, 1111870), (116, 555935), (145, 444748), (290, 222374), (580, 111187)]