21244252880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{161627}}^1$

素因数の和:161724

約数の個数: 80

約数和(自身を含む): 51948532224

約数和(自身を除く): 30704279344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1643, 2120, 2480, 3286, 4240, 6572, 8215, 13144, 16430, 26288, 32860, 65720, 131440, 161627, 323254, 646508, 808135, 1293016, 1616270, 2586032, 3232540, 5010437, 6465080, 8566231, 10020874, 12930160, 17132462, 20041748, 25052185, 34264924, 40083496, 42831155, 50104370, 68529848, 80166992, 85662310, 100208740, 137059696, 171324620, 200417480, 265553161, 342649240, 400834960, 531106322, 685298480, 1062212644, 1327765805, 2124425288, 2655531610, 4248850576, 5311063220, 10622126440, 21244252880]

約数ペア:

[(1, 21244252880), (2, 10622126440), (4, 5311063220), (5, 4248850576), (8, 2655531610), (10, 2124425288), (16, 1327765805), (20, 1062212644), (31, 685298480), (40, 531106322), (53, 400834960), (62, 342649240), (80, 265553161), (106, 200417480), (124, 171324620), (155, 137059696), (212, 100208740), (248, 85662310), (265, 80166992), (310, 68529848), (424, 50104370), (496, 42831155), (530, 40083496), (620, 34264924), (848, 25052185), (1060, 20041748), (1240, 17132462), (1643, 12930160), (2120, 10020874), (2480, 8566231), (3286, 6465080), (4240, 5010437), (6572, 3232540), (8215, 2586032), (13144, 1616270), (16430, 1293016), (26288, 808135), (32860, 646508), (65720, 323254), (131440, 161627)]