23168840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1489}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 52299000

約数和(自身を除く): 29130160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1489, 1556, 1945, 2978, 3112, 3890, 5956, 7445, 7780, 11912, 14890, 15560, 29780, 59560, 579221, 1158442, 2316884, 2896105, 4633768, 5792210, 11584420, 23168840]

約数ペア:

[(1, 23168840), (2, 11584420), (4, 5792210), (5, 4633768), (8, 2896105), (10, 2316884), (20, 1158442), (40, 579221), (389, 59560), (778, 29780), (1489, 15560), (1556, 14890), (1945, 11912), (2978, 7780), (3112, 7445), (3890, 5956)]