9818720

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{563}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 23451120

約数和(自身を除く): 13632400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 563, 872, 1090, 1126, 1744, 2180, 2252, 2815, 3488, 4360, 4504, 5630, 8720, 9008, 11260, 17440, 18016, 22520, 45040, 61367, 90080, 122734, 245468, 306835, 490936, 613670, 981872, 1227340, 1963744, 2454680, 4909360, 9818720]

約数ペア:

[(1, 9818720), (2, 4909360), (4, 2454680), (5, 1963744), (8, 1227340), (10, 981872), (16, 613670), (20, 490936), (32, 306835), (40, 245468), (80, 122734), (109, 90080), (160, 61367), (218, 45040), (436, 22520), (545, 18016), (563, 17440), (872, 11260), (1090, 9008), (1126, 8720), (1744, 5630), (2180, 4504), (2252, 4360), (2815, 3488)]