196640

素因数分解:

$2^5\times 5^1\times {\mathrm{1229}}^1$

素因数の和:1244

約数の個数: 24

約数和(自身を含む): 464940

約数和(自身を除く): 268300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1229, 2458, 4916, 6145, 9832, 12290, 19664, 24580, 39328, 49160, 98320, 196640]

約数ペア:

[(1, 196640), (2, 98320), (4, 49160), (5, 39328), (8, 24580), (10, 19664), (16, 12290), (20, 9832), (32, 6145), (40, 4916), (80, 2458), (160, 1229)]