12712220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8707}}^1$

素因数の和:8789

約数の個数: 24

約数和(自身を含む): 27064464

約数和(自身を除く): 14352244

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 8707, 17414, 34828, 43535, 87070, 174140, 635611, 1271222, 2542444, 3178055, 6356110, 12712220]

約数ペア:

[(1, 12712220), (2, 6356110), (4, 3178055), (5, 2542444), (10, 1271222), (20, 635611), (73, 174140), (146, 87070), (292, 43535), (365, 34828), (730, 17414), (1460, 8707)]