9578420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11681}}^1$

素因数の和:11731

約数の個数: 24

約数和(自身を含む): 20607048

約数和(自身を除く): 11028628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 11681, 23362, 46724, 58405, 116810, 233620, 478921, 957842, 1915684, 2394605, 4789210, 9578420]

約数ペア:

[(1, 9578420), (2, 4789210), (4, 2394605), (5, 1915684), (10, 957842), (20, 478921), (41, 233620), (82, 116810), (164, 58405), (205, 46724), (410, 23362), (820, 11681)]