12859780

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1019}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 27074880

約数和(自身を除く): 14215100

約数列:

[1, 2, 4, 5, 10, 20, 631, 1019, 1262, 2038, 2524, 3155, 4076, 5095, 6310, 10190, 12620, 20380, 642989, 1285978, 2571956, 3214945, 6429890, 12859780]

約数ペア:

[(1, 12859780), (2, 6429890), (4, 3214945), (5, 2571956), (10, 1285978), (20, 642989), (631, 20380), (1019, 12620), (1262, 10190), (2038, 6310), (2524, 5095), (3155, 4076)]