12403960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{859}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 29489400

約数和(自身を除く): 17085440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 859, 1444, 1718, 1805, 2888, 3436, 3610, 4295, 6872, 7220, 8590, 14440, 16321, 17180, 32642, 34360, 65284, 81605, 130568, 163210, 310099, 326420, 620198, 652840, 1240396, 1550495, 2480792, 3100990, 6201980, 12403960]

約数ペア:

[(1, 12403960), (2, 6201980), (4, 3100990), (5, 2480792), (8, 1550495), (10, 1240396), (19, 652840), (20, 620198), (38, 326420), (40, 310099), (76, 163210), (95, 130568), (152, 81605), (190, 65284), (361, 34360), (380, 32642), (722, 17180), (760, 16321), (859, 14440), (1444, 8590), (1718, 7220), (1805, 6872), (2888, 4295), (3436, 3610)]