8049221720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2834233}}^1$

素因数の和:2834315

約数の個数: 32

約数和(自身を含む): 18365836320

約数和(自身を除く): 10316614600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 2834233, 5668466, 11336932, 14171165, 22673864, 28342330, 56684660, 113369320, 201230543, 402461086, 804922172, 1006152715, 1609844344, 2012305430, 4024610860, 8049221720]

約数ペア:

[(1, 8049221720), (2, 4024610860), (4, 2012305430), (5, 1609844344), (8, 1006152715), (10, 804922172), (20, 402461086), (40, 201230543), (71, 113369320), (142, 56684660), (284, 28342330), (355, 22673864), (568, 14171165), (710, 11336932), (1420, 5668466), (2840, 2834233)]