12687320

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{757}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 28652400

約数和(自身を除く): 15965080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 757, 838, 1514, 1676, 2095, 3028, 3352, 3785, 4190, 6056, 7570, 8380, 15140, 16760, 30280, 317183, 634366, 1268732, 1585915, 2537464, 3171830, 6343660, 12687320]

約数ペア:

[(1, 12687320), (2, 6343660), (4, 3171830), (5, 2537464), (8, 1585915), (10, 1268732), (20, 634366), (40, 317183), (419, 30280), (757, 16760), (838, 15140), (1514, 8380), (1676, 7570), (2095, 6056), (3028, 4190), (3352, 3785)]