12999520

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 31026240

約数和(自身を除く): 18026720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 719, 904, 1130, 1438, 1808, 2260, 2876, 3595, 3616, 4520, 5752, 7190, 9040, 11504, 14380, 18080, 23008, 28760, 57520, 81247, 115040, 162494, 324988, 406235, 649976, 812470, 1299952, 1624940, 2599904, 3249880, 6499760, 12999520]

約数ペア:

[(1, 12999520), (2, 6499760), (4, 3249880), (5, 2599904), (8, 1624940), (10, 1299952), (16, 812470), (20, 649976), (32, 406235), (40, 324988), (80, 162494), (113, 115040), (160, 81247), (226, 57520), (452, 28760), (565, 23008), (719, 18080), (904, 14380), (1130, 11504), (1438, 9040), (1808, 7190), (2260, 5752), (2876, 4520), (3595, 3616)]