12686320

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:817

約数の個数: 40

約数和(自身を含む): 29645424

約数和(自身を除く): 16959104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 457, 694, 914, 1388, 1735, 1828, 2285, 2776, 3470, 3656, 4570, 5552, 6940, 7312, 9140, 13880, 18280, 27760, 36560, 158579, 317158, 634316, 792895, 1268632, 1585790, 2537264, 3171580, 6343160, 12686320]

約数ペア:

[(1, 12686320), (2, 6343160), (4, 3171580), (5, 2537264), (8, 1585790), (10, 1268632), (16, 792895), (20, 634316), (40, 317158), (80, 158579), (347, 36560), (457, 27760), (694, 18280), (914, 13880), (1388, 9140), (1735, 7312), (1828, 6940), (2285, 5552), (2776, 4570), (3470, 3656)]