67560280

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1523}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 152247600

約数和(自身を除く): 84687320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 1523, 2218, 3046, 4436, 5545, 6092, 7615, 8872, 11090, 12184, 15230, 22180, 30460, 44360, 60920, 1689007, 3378014, 6756028, 8445035, 13512056, 16890070, 33780140, 67560280]

約数ペア:

[(1, 67560280), (2, 33780140), (4, 16890070), (5, 13512056), (8, 8445035), (10, 6756028), (20, 3378014), (40, 1689007), (1109, 60920), (1523, 44360), (2218, 30460), (3046, 22180), (4436, 15230), (5545, 12184), (6092, 11090), (7615, 8872)]