8242420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1567}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 17385984

約数和(自身を除く): 9143564

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1567, 2630, 3134, 5260, 6268, 7835, 15670, 31340, 412121, 824242, 1648484, 2060605, 4121210, 8242420]

約数ペア:

[(1, 8242420), (2, 4121210), (4, 2060605), (5, 1648484), (10, 824242), (20, 412121), (263, 31340), (526, 15670), (1052, 7835), (1315, 6268), (1567, 5260), (2630, 3134)]