9012880

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{997}}^1$

素因数の和:1123

約数の個数: 40

約数和(自身を含む): 21161592

約数和(自身を除く): 12148712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 997, 1130, 1808, 1994, 2260, 3988, 4520, 4985, 7976, 9040, 9970, 15952, 19940, 39880, 79760, 112661, 225322, 450644, 563305, 901288, 1126610, 1802576, 2253220, 4506440, 9012880]

約数ペア:

[(1, 9012880), (2, 4506440), (4, 2253220), (5, 1802576), (8, 1126610), (10, 901288), (16, 563305), (20, 450644), (40, 225322), (80, 112661), (113, 79760), (226, 39880), (452, 19940), (565, 15952), (904, 9970), (997, 9040), (1130, 7976), (1808, 4985), (1994, 4520), (2260, 3988)]