15980320

素因数分解:

$2^5\times 5^1\times {\mathrm{99877}}^1$

素因数の和:99892

約数の個数: 24

約数和(自身を含む): 37753884

約数和(自身を除く): 21773564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 99877, 199754, 399508, 499385, 799016, 998770, 1598032, 1997540, 3196064, 3995080, 7990160, 15980320]

約数ペア:

[(1, 15980320), (2, 7990160), (4, 3995080), (5, 3196064), (8, 1997540), (10, 1598032), (16, 998770), (20, 799016), (32, 499385), (40, 399508), (80, 199754), (160, 99877)]