12402680

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{997}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 28023840

約数和(自身を除く): 15621160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 997, 1244, 1555, 1994, 2488, 3110, 3988, 4985, 6220, 7976, 9970, 12440, 19940, 39880, 310067, 620134, 1240268, 1550335, 2480536, 3100670, 6201340, 12402680]

約数ペア:

[(1, 12402680), (2, 6201340), (4, 3100670), (5, 2480536), (8, 1550335), (10, 1240268), (20, 620134), (40, 310067), (311, 39880), (622, 19940), (997, 12440), (1244, 9970), (1555, 7976), (1994, 6220), (2488, 4985), (3110, 3988)]