66840580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 144458496

約数和(自身を除く): 77617916

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 211, 235, 337, 422, 470, 674, 844, 940, 1055, 1348, 1685, 2110, 3370, 4220, 6740, 9917, 15839, 19834, 31678, 39668, 49585, 63356, 71107, 79195, 99170, 142214, 158390, 198340, 284428, 316780, 355535, 711070, 1422140, 3342029, 6684058, 13368116, 16710145, 33420290, 66840580]

約数ペア:

[(1, 66840580), (2, 33420290), (4, 16710145), (5, 13368116), (10, 6684058), (20, 3342029), (47, 1422140), (94, 711070), (188, 355535), (211, 316780), (235, 284428), (337, 198340), (422, 158390), (470, 142214), (674, 99170), (844, 79195), (940, 71107), (1055, 63356), (1348, 49585), (1685, 39668), (2110, 31678), (3370, 19834), (4220, 15839), (6740, 9917)]