242572040

素因数分解:

$2^3\times 5^1\times {\mathrm{863}}^1\times {\mathrm{7027}}^1$

素因数の和:7901

約数の個数: 32

約数和(自身を含む): 546497280

約数和(自身を除く): 303925240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 863, 1726, 3452, 4315, 6904, 7027, 8630, 14054, 17260, 28108, 34520, 35135, 56216, 70270, 140540, 281080, 6064301, 12128602, 24257204, 30321505, 48514408, 60643010, 121286020, 242572040]

約数ペア:

[(1, 242572040), (2, 121286020), (4, 60643010), (5, 48514408), (8, 30321505), (10, 24257204), (20, 12128602), (40, 6064301), (863, 281080), (1726, 140540), (3452, 70270), (4315, 56216), (6904, 35135), (7027, 34520), (8630, 28108), (14054, 17260)]