64682180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111521}}^1$

素因数の和:111559

約数の個数: 24

約数和(自身を含む): 140517720

約数和(自身を除く): 75835540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111521, 223042, 446084, 557605, 1115210, 2230420, 3234109, 6468218, 12936436, 16170545, 32341090, 64682180]

約数ペア:

[(1, 64682180), (2, 32341090), (4, 16170545), (5, 12936436), (10, 6468218), (20, 3234109), (29, 2230420), (58, 1115210), (116, 557605), (145, 446084), (290, 223042), (580, 111521)]