25454620

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1249}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 53550000

約数和(自身を除く): 28095380

約数列:

[1, 2, 4, 5, 10, 20, 1019, 1249, 2038, 2498, 4076, 4996, 5095, 6245, 10190, 12490, 20380, 24980, 1272731, 2545462, 5090924, 6363655, 12727310, 25454620]

約数ペア:

[(1, 25454620), (2, 12727310), (4, 6363655), (5, 5090924), (10, 2545462), (20, 1272731), (1019, 24980), (1249, 20380), (2038, 12490), (2498, 10190), (4076, 6245), (4996, 5095)]