12885334720

素因数分解:

$2^6\times 5^1\times {\mathrm{109}}^1\times {\mathrm{369419}}^1$

素因数の和:369545

約数の個数: 56

約数和(自身を含む): 30964784400

約数和(自身を除く): 18079449680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 160, 218, 320, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 6976, 8720, 17440, 34880, 369419, 738838, 1477676, 1847095, 2955352, 3694190, 5910704, 7388380, 11821408, 14776760, 23642816, 29553520, 40266671, 59107040, 80533342, 118214080, 161066684, 201333355, 322133368, 402666710, 644266736, 805333420, 1288533472, 1610666840, 2577066944, 3221333680, 6442667360, 12885334720]

約数ペア:

[(1, 12885334720), (2, 6442667360), (4, 3221333680), (5, 2577066944), (8, 1610666840), (10, 1288533472), (16, 805333420), (20, 644266736), (32, 402666710), (40, 322133368), (64, 201333355), (80, 161066684), (109, 118214080), (160, 80533342), (218, 59107040), (320, 40266671), (436, 29553520), (545, 23642816), (872, 14776760), (1090, 11821408), (1744, 7388380), (2180, 5910704), (3488, 3694190), (4360, 2955352), (6976, 1847095), (8720, 1477676), (17440, 738838), (34880, 369419)]