27742480

素因数分解:

$2^4\times 5^1\times {\mathrm{541}}^1\times {\mathrm{641}}^1$

素因数の和:1195

約数の個数: 40

約数和(自身を含む): 64721304

約数和(自身を除く): 36978824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 541, 641, 1082, 1282, 2164, 2564, 2705, 3205, 4328, 5128, 5410, 6410, 8656, 10256, 10820, 12820, 21640, 25640, 43280, 51280, 346781, 693562, 1387124, 1733905, 2774248, 3467810, 5548496, 6935620, 13871240, 27742480]

約数ペア:

[(1, 27742480), (2, 13871240), (4, 6935620), (5, 5548496), (8, 3467810), (10, 2774248), (16, 1733905), (20, 1387124), (40, 693562), (80, 346781), (541, 51280), (641, 43280), (1082, 25640), (1282, 21640), (2164, 12820), (2564, 10820), (2705, 10256), (3205, 8656), (4328, 6410), (5128, 5410)]