26269820

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1289}}^1$

素因数の和:2317

約数の個数: 24

約数和(自身を含む): 55263600

約数和(自身を除く): 28993780

約数列:

[1, 2, 4, 5, 10, 20, 1019, 1289, 2038, 2578, 4076, 5095, 5156, 6445, 10190, 12890, 20380, 25780, 1313491, 2626982, 5253964, 6567455, 13134910, 26269820]

約数ペア:

[(1, 26269820), (2, 13134910), (4, 6567455), (5, 5253964), (10, 2626982), (20, 1313491), (1019, 25780), (1289, 20380), (2038, 12890), (2578, 10190), (4076, 6445), (5095, 5156)]