12493280

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 29819664

約数和(自身を除く): 17326384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 691, 904, 1130, 1382, 1808, 2260, 2764, 3455, 3616, 4520, 5528, 6910, 9040, 11056, 13820, 18080, 22112, 27640, 55280, 78083, 110560, 156166, 312332, 390415, 624664, 780830, 1249328, 1561660, 2498656, 3123320, 6246640, 12493280]

約数ペア:

[(1, 12493280), (2, 6246640), (4, 3123320), (5, 2498656), (8, 1561660), (10, 1249328), (16, 780830), (20, 624664), (32, 390415), (40, 312332), (80, 156166), (113, 110560), (160, 78083), (226, 55280), (452, 27640), (565, 22112), (691, 18080), (904, 13820), (1130, 11056), (1382, 9040), (1808, 6910), (2260, 5528), (2764, 4520), (3455, 3616)]