72682640

素因数分解:

$2^4\times 5^1\times {\mathrm{908533}}^1$

素因数の和:908546

約数の個数: 20

約数和(自身を含む): 168987324

約数和(自身を除く): 96304684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 908533, 1817066, 3634132, 4542665, 7268264, 9085330, 14536528, 18170660, 36341320, 72682640]

約数ペア:

[(1, 72682640), (2, 36341320), (4, 18170660), (5, 14536528), (8, 9085330), (10, 7268264), (16, 4542665), (20, 3634132), (40, 1817066), (80, 908533)]