4001395

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 4989600

約数和(自身を除く): 988205

約数列:

[1, 5, 41, 131, 149, 205, 655, 745, 5371, 6109, 19519, 26855, 30545, 97595, 800279, 4001395]

約数ペア:

[(1, 4001395), (5, 800279), (41, 97595), (131, 30545), (149, 26855), (205, 19519), (655, 6109), (745, 5371)]