129692120

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{2539}}^1$

素因数の和:3827

約数の個数: 32

約数和(自身を含む): 292150800

約数和(自身を除く): 162458680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2539, 2554, 5078, 5108, 6385, 10156, 10216, 12695, 12770, 20312, 25390, 25540, 50780, 51080, 101560, 3242303, 6484606, 12969212, 16211515, 25938424, 32423030, 64846060, 129692120]

約数ペア:

[(1, 129692120), (2, 64846060), (4, 32423030), (5, 25938424), (8, 16211515), (10, 12969212), (20, 6484606), (40, 3242303), (1277, 101560), (2539, 51080), (2554, 50780), (5078, 25540), (5108, 25390), (6385, 20312), (10156, 12770), (10216, 12695)]