4978660

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2797}}^1$

素因数の和:2895

約数の個数: 24

約数和(自身を含む): 10576440

約数和(自身を除く): 5597780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2797, 5594, 11188, 13985, 27970, 55940, 248933, 497866, 995732, 1244665, 2489330, 4978660]

約数ペア:

[(1, 4978660), (2, 2489330), (4, 1244665), (5, 995732), (10, 497866), (20, 248933), (89, 55940), (178, 27970), (356, 13985), (445, 11188), (890, 5594), (1780, 2797)]