89481640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{419}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 213192000

約数和(自身を除く): 123710360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 281, 380, 419, 562, 760, 838, 1124, 1405, 1676, 2095, 2248, 2810, 3352, 4190, 5339, 5620, 7961, 8380, 10678, 11240, 15922, 16760, 21356, 26695, 31844, 39805, 42712, 53390, 63688, 79610, 106780, 117739, 159220, 213560, 235478, 318440, 470956, 588695, 941912, 1177390, 2237041, 2354780, 4474082, 4709560, 8948164, 11185205, 17896328, 22370410, 44740820, 89481640]

約数ペア:

[(1, 89481640), (2, 44740820), (4, 22370410), (5, 17896328), (8, 11185205), (10, 8948164), (19, 4709560), (20, 4474082), (38, 2354780), (40, 2237041), (76, 1177390), (95, 941912), (152, 588695), (190, 470956), (281, 318440), (380, 235478), (419, 213560), (562, 159220), (760, 117739), (838, 106780), (1124, 79610), (1405, 63688), (1676, 53390), (2095, 42712), (2248, 39805), (2810, 31844), (3352, 26695), (4190, 21356), (5339, 16760), (5620, 15922), (7961, 11240), (8380, 10678)]