13725280

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 32765040

約数和(自身を除く): 19039760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 787, 872, 1090, 1574, 1744, 2180, 3148, 3488, 3935, 4360, 6296, 7870, 8720, 12592, 15740, 17440, 25184, 31480, 62960, 85783, 125920, 171566, 343132, 428915, 686264, 857830, 1372528, 1715660, 2745056, 3431320, 6862640, 13725280]

約数ペア:

[(1, 13725280), (2, 6862640), (4, 3431320), (5, 2745056), (8, 1715660), (10, 1372528), (16, 857830), (20, 686264), (32, 428915), (40, 343132), (80, 171566), (109, 125920), (160, 85783), (218, 62960), (436, 31480), (545, 25184), (787, 17440), (872, 15740), (1090, 12592), (1574, 8720), (1744, 7870), (2180, 6296), (3148, 4360), (3488, 3935)]