66550480

素因数分解:

$2^4\times 5^1\times {\mathrm{831881}}^1$

素因数の和:831894

約数の個数: 20

約数和(自身を含む): 154730052

約数和(自身を除く): 88179572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 831881, 1663762, 3327524, 4159405, 6655048, 8318810, 13310096, 16637620, 33275240, 66550480]

約数ペア:

[(1, 66550480), (2, 33275240), (4, 16637620), (5, 13310096), (8, 8318810), (10, 6655048), (16, 4159405), (20, 3327524), (40, 1663762), (80, 831881)]