26346820

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1999}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 55440000

約数和(自身を除く): 29093180

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 1999, 2636, 3295, 3998, 6590, 7996, 9995, 13180, 19990, 39980, 1317341, 2634682, 5269364, 6586705, 13173410, 26346820]

約数ペア:

[(1, 26346820), (2, 13173410), (4, 6586705), (5, 5269364), (10, 2634682), (20, 1317341), (659, 39980), (1318, 19990), (1999, 13180), (2636, 9995), (3295, 7996), (3998, 6590)]