12604180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 27412560

約数和(自身を除く): 14808380

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 97, 146, 178, 194, 292, 356, 365, 388, 445, 485, 730, 890, 970, 1460, 1780, 1940, 6497, 7081, 8633, 12994, 14162, 17266, 25988, 28324, 32485, 34532, 35405, 43165, 64970, 70810, 86330, 129940, 141620, 172660, 630209, 1260418, 2520836, 3151045, 6302090, 12604180]

約数ペア:

[(1, 12604180), (2, 6302090), (4, 3151045), (5, 2520836), (10, 1260418), (20, 630209), (73, 172660), (89, 141620), (97, 129940), (146, 86330), (178, 70810), (194, 64970), (292, 43165), (356, 35405), (365, 34532), (388, 32485), (445, 28324), (485, 25988), (730, 17266), (890, 14162), (970, 12994), (1460, 8633), (1780, 7081), (1940, 6497)]