3990290

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5051}}^1$

素因数の和:5137

約数の個数: 16

約数和(自身を含む): 7274880

約数和(自身を除く): 3284590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 5051, 10102, 25255, 50510, 399029, 798058, 1995145, 3990290]

約数ペア:

[(1, 3990290), (2, 1995145), (5, 798058), (10, 399029), (79, 50510), (158, 25255), (395, 10102), (790, 5051)]