1293418660

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{63841}}^1$

素因数の和:64863

約数の個数: 24

約数和(自身を含む): 2718903096

約数和(自身を除く): 1425484436

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 10130, 20260, 63841, 127682, 255364, 319205, 638410, 1276820, 64670933, 129341866, 258683732, 323354665, 646709330, 1293418660]

約数ペア:

[(1, 1293418660), (2, 646709330), (4, 323354665), (5, 258683732), (10, 129341866), (20, 64670933), (1013, 1276820), (2026, 638410), (4052, 319205), (5065, 255364), (10130, 127682), (20260, 63841)]