12633680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 29760000

約数和(自身を除く): 17126320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 1999, 3160, 3998, 6320, 7996, 9995, 15992, 19990, 31984, 39980, 79960, 157921, 159920, 315842, 631684, 789605, 1263368, 1579210, 2526736, 3158420, 6316840, 12633680]

約数ペア:

[(1, 12633680), (2, 6316840), (4, 3158420), (5, 2526736), (8, 1579210), (10, 1263368), (16, 789605), (20, 631684), (40, 315842), (79, 159920), (80, 157921), (158, 79960), (316, 39980), (395, 31984), (632, 19990), (790, 15992), (1264, 9995), (1580, 7996), (1999, 6320), (3160, 3998)]