84879160

素因数分解:

$2^3\times 5^1\times {\mathrm{2121979}}^1$

素因数の和:2121990

約数の個数: 16

約数和(自身を含む): 190978200

約数和(自身を除く): 106099040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2121979, 4243958, 8487916, 10609895, 16975832, 21219790, 42439580, 84879160]

約数ペア:

[(1, 84879160), (2, 42439580), (4, 21219790), (5, 16975832), (8, 10609895), (10, 8487916), (20, 4243958), (40, 2121979)]