6396640

素因数分解:

$2^5\times 5^1\times {\mathrm{39979}}^1$

素因数の和:39994

約数の個数: 24

約数和(自身を含む): 15112440

約数和(自身を除く): 8715800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 39979, 79958, 159916, 199895, 319832, 399790, 639664, 799580, 1279328, 1599160, 3198320, 6396640]

約数ペア:

[(1, 6396640), (2, 3198320), (4, 1599160), (5, 1279328), (8, 799580), (10, 639664), (16, 399790), (20, 319832), (32, 199895), (40, 159916), (80, 79958), (160, 39979)]