25440680

素因数分解:

$2^3\times 5^1\times {\mathrm{636017}}^1$

素因数の和:636028

約数の個数: 16

約数和(自身を含む): 57241620

約数和(自身を除く): 31800940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 636017, 1272034, 2544068, 3180085, 5088136, 6360170, 12720340, 25440680]

約数ペア:

[(1, 25440680), (2, 12720340), (4, 6360170), (5, 5088136), (8, 3180085), (10, 2544068), (20, 1272034), (40, 636017)]