26254220

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{2579}}^1$

素因数の和:3097

約数の個数: 24

約数和(自身を含む): 55263600

約数和(自身を除く): 29009380

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 2036, 2545, 2579, 5090, 5158, 10180, 10316, 12895, 25790, 51580, 1312711, 2625422, 5250844, 6563555, 13127110, 26254220]

約数ペア:

[(1, 26254220), (2, 13127110), (4, 6563555), (5, 5250844), (10, 2625422), (20, 1312711), (509, 51580), (1018, 25790), (2036, 12895), (2545, 10316), (2579, 10180), (5090, 5158)]