85252120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 198223200

約数和(自身を除く): 112971080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 227, 229, 328, 410, 454, 458, 820, 908, 916, 1135, 1145, 1640, 1816, 1832, 2270, 2290, 4540, 4580, 9080, 9160, 9307, 9389, 18614, 18778, 37228, 37556, 46535, 46945, 51983, 74456, 75112, 93070, 93890, 103966, 186140, 187780, 207932, 259915, 372280, 375560, 415864, 519830, 1039660, 2079320, 2131303, 4262606, 8525212, 10656515, 17050424, 21313030, 42626060, 85252120]

約数ペア:

[(1, 85252120), (2, 42626060), (4, 21313030), (5, 17050424), (8, 10656515), (10, 8525212), (20, 4262606), (40, 2131303), (41, 2079320), (82, 1039660), (164, 519830), (205, 415864), (227, 375560), (229, 372280), (328, 259915), (410, 207932), (454, 187780), (458, 186140), (820, 103966), (908, 93890), (916, 93070), (1135, 75112), (1145, 74456), (1640, 51983), (1816, 46945), (1832, 46535), (2270, 37556), (2290, 37228), (4540, 18778), (4580, 18614), (9080, 9389), (9160, 9307)]