68135020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{24509}}^1$

素因数の和:24657

約数の個数: 24

約数和(自身を含む): 144118800

約数和(自身を除く): 75983780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 24509, 49018, 98036, 122545, 245090, 490180, 3406751, 6813502, 13627004, 17033755, 34067510, 68135020]

約数ペア:

[(1, 68135020), (2, 34067510), (4, 17033755), (5, 13627004), (10, 6813502), (20, 3406751), (139, 490180), (278, 245090), (556, 122545), (695, 98036), (1390, 49018), (2780, 24509)]