15660640

素因数分解:

$2^5\times 5^1\times {\mathrm{97879}}^1$

素因数の和:97894

約数の個数: 24

約数和(自身を含む): 36998640

約数和(自身を除く): 21338000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 97879, 195758, 391516, 489395, 783032, 978790, 1566064, 1957580, 3132128, 3915160, 7830320, 15660640]

約数ペア:

[(1, 15660640), (2, 7830320), (4, 3915160), (5, 3132128), (8, 1957580), (10, 1566064), (16, 978790), (20, 783032), (32, 489395), (40, 391516), (80, 195758), (160, 97879)]