10216820

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1249}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 21525000

約数和(自身を除く): 11308180

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1249, 1636, 2045, 2498, 4090, 4996, 6245, 8180, 12490, 24980, 510841, 1021682, 2043364, 2554205, 5108410, 10216820]

約数ペア:

[(1, 10216820), (2, 5108410), (4, 2554205), (5, 2043364), (10, 1021682), (20, 510841), (409, 24980), (818, 12490), (1249, 8180), (1636, 6245), (2045, 4996), (2498, 4090)]