31683920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23297}}^1$

素因数の和:23327

約数の個数: 40

約数和(自身を含む): 78001704

約数和(自身を除く): 46317784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 23297, 46594, 93188, 116485, 186376, 232970, 372752, 396049, 465940, 792098, 931880, 1584196, 1863760, 1980245, 3168392, 3960490, 6336784, 7920980, 15841960, 31683920]

約数ペア:

[(1, 31683920), (2, 15841960), (4, 7920980), (5, 6336784), (8, 3960490), (10, 3168392), (16, 1980245), (17, 1863760), (20, 1584196), (34, 931880), (40, 792098), (68, 465940), (80, 396049), (85, 372752), (136, 232970), (170, 186376), (272, 116485), (340, 93188), (680, 46594), (1360, 23297)]