2809420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8263}}^1$

素因数の和:8289

約数の個数: 24

約数和(自身を含む): 6247584

約数和(自身を除く): 3438164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 8263, 16526, 33052, 41315, 82630, 140471, 165260, 280942, 561884, 702355, 1404710, 2809420]

約数ペア:

[(1, 2809420), (2, 1404710), (4, 702355), (5, 561884), (10, 280942), (17, 165260), (20, 140471), (34, 82630), (68, 41315), (85, 33052), (170, 16526), (340, 8263)]