1320440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3001}}^1$

素因数の和:3023

約数の個数: 32

約数和(自身を含む): 3242160

約数和(自身を除く): 1921720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3001, 6002, 12004, 15005, 24008, 30010, 33011, 60020, 66022, 120040, 132044, 165055, 264088, 330110, 660220, 1320440]

約数ペア:

[(1, 1320440), (2, 660220), (4, 330110), (5, 264088), (8, 165055), (10, 132044), (11, 120040), (20, 66022), (22, 60020), (40, 33011), (44, 30010), (55, 24008), (88, 15005), (110, 12004), (220, 6002), (440, 3001)]