42008920

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{1109}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 94705200

約数和(自身を除く): 52696280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1109, 1894, 2218, 3788, 4436, 4735, 5545, 7576, 8872, 9470, 11090, 18940, 22180, 37880, 44360, 1050223, 2100446, 4200892, 5251115, 8401784, 10502230, 21004460, 42008920]

約数ペア:

[(1, 42008920), (2, 21004460), (4, 10502230), (5, 8401784), (8, 5251115), (10, 4200892), (20, 2100446), (40, 1050223), (947, 44360), (1109, 37880), (1894, 22180), (2218, 18940), (3788, 11090), (4436, 9470), (4735, 8872), (5545, 7576)]