72770480

素因数分解:

$2^4\times 5^1\times {\mathrm{909631}}^1$

素因数の和:909644

約数の個数: 20

約数和(自身を含む): 169191552

約数和(自身を除く): 96421072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 909631, 1819262, 3638524, 4548155, 7277048, 9096310, 14554096, 18192620, 36385240, 72770480]

約数ペア:

[(1, 72770480), (2, 36385240), (4, 18192620), (5, 14554096), (8, 9096310), (10, 7277048), (16, 4548155), (20, 3638524), (40, 1819262), (80, 909631)]