72400610

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{81349}}^1$

素因数の和:81445

約数の個数: 16

約数和(自身を含む): 131787000

約数和(自身を除く): 59386390

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 81349, 162698, 406745, 813490, 7240061, 14480122, 36200305, 72400610]

約数ペア:

[(1, 72400610), (2, 36200305), (5, 14480122), (10, 7240061), (89, 813490), (178, 406745), (445, 162698), (890, 81349)]