82666420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{87943}}^1$

素因数の和:87999

約数の個数: 24

約数和(自身を含む): 177295104

約数和(自身を除く): 94628684

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 87943, 175886, 351772, 439715, 879430, 1758860, 4133321, 8266642, 16533284, 20666605, 41333210, 82666420]

約数ペア:

[(1, 82666420), (2, 41333210), (4, 20666605), (5, 16533284), (10, 8266642), (20, 4133321), (47, 1758860), (94, 879430), (188, 439715), (235, 351772), (470, 175886), (940, 87943)]