1996640

素因数分解:

$2^5\times 5^1\times {\mathrm{12479}}^1$

素因数の和:12494

約数の個数: 24

約数和(自身を含む): 4717440

約数和(自身を除く): 2720800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 12479, 24958, 49916, 62395, 99832, 124790, 199664, 249580, 399328, 499160, 998320, 1996640]

約数ペア:

[(1, 1996640), (2, 998320), (4, 499160), (5, 399328), (8, 249580), (10, 199664), (16, 124790), (20, 99832), (32, 62395), (40, 49916), (80, 24958), (160, 12479)]