12449960

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{761}}^1$

素因数の和:1181

約数の個数: 32

約数和(自身を含む): 28117800

約数和(自身を除く): 15667840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 761, 818, 1522, 1636, 2045, 3044, 3272, 3805, 4090, 6088, 7610, 8180, 15220, 16360, 30440, 311249, 622498, 1244996, 1556245, 2489992, 3112490, 6224980, 12449960]

約数ペア:

[(1, 12449960), (2, 6224980), (4, 3112490), (5, 2489992), (8, 1556245), (10, 1244996), (20, 622498), (40, 311249), (409, 30440), (761, 16360), (818, 15220), (1522, 8180), (1636, 7610), (2045, 6088), (3044, 4090), (3272, 3805)]