7830560

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 18711000

約数和(自身を除く): 10880440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 449, 545, 872, 898, 1090, 1744, 1796, 2180, 2245, 3488, 3592, 4360, 4490, 7184, 8720, 8980, 14368, 17440, 17960, 35920, 48941, 71840, 97882, 195764, 244705, 391528, 489410, 783056, 978820, 1566112, 1957640, 3915280, 7830560]

約数ペア:

[(1, 7830560), (2, 3915280), (4, 1957640), (5, 1566112), (8, 978820), (10, 783056), (16, 489410), (20, 391528), (32, 244705), (40, 195764), (80, 97882), (109, 71840), (160, 48941), (218, 35920), (436, 17960), (449, 17440), (545, 14368), (872, 8980), (898, 8720), (1090, 7184), (1744, 4490), (1796, 4360), (2180, 3592), (2245, 3488)]