40051420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25349}}^1$

素因数の和:25437

約数の個数: 24

約数和(自身を含む): 85176000

約数和(自身を除く): 45124580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25349, 50698, 101396, 126745, 253490, 506980, 2002571, 4005142, 8010284, 10012855, 20025710, 40051420]

約数ペア:

[(1, 40051420), (2, 20025710), (4, 10012855), (5, 8010284), (10, 4005142), (20, 2002571), (79, 506980), (158, 253490), (316, 126745), (395, 101396), (790, 50698), (1580, 25349)]