28522520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54851}}^1$

素因数の和:54875

約数の個数: 32

約数和(自身を含む): 69113520

約数和(自身を除く): 40591000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 54851, 109702, 219404, 274255, 438808, 548510, 713063, 1097020, 1426126, 2194040, 2852252, 3565315, 5704504, 7130630, 14261260, 28522520]

約数ペア:

[(1, 28522520), (2, 14261260), (4, 7130630), (5, 5704504), (8, 3565315), (10, 2852252), (13, 2194040), (20, 1426126), (26, 1097020), (40, 713063), (52, 548510), (65, 438808), (104, 274255), (130, 219404), (260, 109702), (520, 54851)]