8170480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 20248704

約数和(自身を除く): 12078224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 53, 80, 82, 94, 106, 164, 188, 205, 212, 235, 265, 328, 376, 410, 424, 470, 530, 656, 752, 820, 848, 940, 1060, 1640, 1880, 1927, 2120, 2173, 2491, 3280, 3760, 3854, 4240, 4346, 4982, 7708, 8692, 9635, 9964, 10865, 12455, 15416, 17384, 19270, 19928, 21730, 24910, 30832, 34768, 38540, 39856, 43460, 49820, 77080, 86920, 99640, 102131, 154160, 173840, 199280, 204262, 408524, 510655, 817048, 1021310, 1634096, 2042620, 4085240, 8170480]

約数ペア:

[(1, 8170480), (2, 4085240), (4, 2042620), (5, 1634096), (8, 1021310), (10, 817048), (16, 510655), (20, 408524), (40, 204262), (41, 199280), (47, 173840), (53, 154160), (80, 102131), (82, 99640), (94, 86920), (106, 77080), (164, 49820), (188, 43460), (205, 39856), (212, 38540), (235, 34768), (265, 30832), (328, 24910), (376, 21730), (410, 19928), (424, 19270), (470, 17384), (530, 15416), (656, 12455), (752, 10865), (820, 9964), (848, 9635), (940, 8692), (1060, 7708), (1640, 4982), (1880, 4346), (1927, 4240), (2120, 3854), (2173, 3760), (2491, 3280)]