4085240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 9797760

約数和(自身を除く): 5712520

約数列:

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

約数ペア:

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