51995380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{63409}}^1$

素因数の和:63459

約数の個数: 24

約数和(自身を含む): 111855240

約数和(自身を除く): 59859860

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 63409, 126818, 253636, 317045, 634090, 1268180, 2599769, 5199538, 10399076, 12998845, 25997690, 51995380]

約数ペア:

[(1, 51995380), (2, 25997690), (4, 12998845), (5, 10399076), (10, 5199538), (20, 2599769), (41, 1268180), (82, 634090), (164, 317045), (205, 253636), (410, 126818), (820, 63409)]