4000085

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 5018112

約数和(自身を除く): 1018027

約数列:

[1, 5, 31, 131, 155, 197, 655, 985, 4061, 6107, 20305, 25807, 30535, 129035, 800017, 4000085]

約数ペア:

[(1, 4000085), (5, 800017), (31, 129035), (131, 30535), (155, 25807), (197, 20305), (655, 6107), (985, 4061)]