86849240

素因数分解:

$2^3\times 5^1\times {\mathrm{2171231}}^1$

素因数の和:2171242

約数の個数: 16

約数和(自身を含む): 195410880

約数和(自身を除く): 108561640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2171231, 4342462, 8684924, 10856155, 17369848, 21712310, 43424620, 86849240]

約数ペア:

[(1, 86849240), (2, 43424620), (4, 21712310), (5, 17369848), (8, 10856155), (10, 8684924), (20, 4342462), (40, 2171231)]