680408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{5003}}^1$

素因数の和:5026

約数の個数: 16

約数和(自身を含む): 1351080

約数和(自身を除く): 670672

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 5003, 10006, 20012, 40024, 85051, 170102, 340204, 680408]

約数ペア:

[(1, 680408), (2, 340204), (4, 170102), (8, 85051), (17, 40024), (34, 20012), (68, 10006), (136, 5003)]