2644640

素因数分解:

$2^5\times 5^1\times {\mathrm{16529}}^1$

素因数の和:16544

約数の個数: 24

約数和(自身を含む): 6248340

約数和(自身を除く): 3603700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 16529, 33058, 66116, 82645, 132232, 165290, 264464, 330580, 528928, 661160, 1322320, 2644640]

約数ペア:

[(1, 2644640), (2, 1322320), (4, 661160), (5, 528928), (8, 330580), (10, 264464), (16, 165290), (20, 132232), (32, 82645), (40, 66116), (80, 33058), (160, 16529)]