1640353325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{30223}}^1$

素因数の和:30413

約数の個数: 24

約数和(自身を含む): 2203692288

約数和(自身を除く): 563338963

約数列:

[1, 5, 13, 25, 65, 167, 325, 835, 2171, 4175, 10855, 30223, 54275, 151115, 392899, 755575, 1964495, 5047241, 9822475, 25236205, 65614133, 126181025, 328070665, 1640353325]

約数ペア:

[(1, 1640353325), (5, 328070665), (13, 126181025), (25, 65614133), (65, 25236205), (167, 9822475), (325, 5047241), (835, 1964495), (2171, 755575), (4175, 392899), (10855, 151115), (30223, 54275)]