2560020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{42667}}^1$

素因数の和:42679

約数の個数: 24

約数和(自身を含む): 7168224

約数和(自身を除く): 4608204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 42667, 85334, 128001, 170668, 213335, 256002, 426670, 512004, 640005, 853340, 1280010, 2560020]

約数ペア:

[(1, 2560020), (2, 1280010), (3, 853340), (4, 640005), (5, 512004), (6, 426670), (10, 256002), (12, 213335), (15, 170668), (20, 128001), (30, 85334), (60, 42667)]