72898640

素因数分解:

$2^4\times 5^1\times {\mathrm{911233}}^1$

素因数の和:911246

約数の個数: 20

約数和(自身を含む): 169489524

約数和(自身を除く): 96590884

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911233, 1822466, 3644932, 4556165, 7289864, 9112330, 14579728, 18224660, 36449320, 72898640]

約数ペア:

[(1, 72898640), (2, 36449320), (4, 18224660), (5, 14579728), (8, 9112330), (10, 7289864), (16, 4556165), (20, 3644932), (40, 1822466), (80, 911233)]