212401520

素因数分解:

$2^4\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2531}}^1$

素因数の和:3593

約数の個数: 40

約数和(自身を含む): 494499600

約数和(自身を除く): 282098080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1049, 2098, 2531, 4196, 5062, 5245, 8392, 10124, 10490, 12655, 16784, 20248, 20980, 25310, 40496, 41960, 50620, 83920, 101240, 202480, 2655019, 5310038, 10620076, 13275095, 21240152, 26550190, 42480304, 53100380, 106200760, 212401520]

約数ペア:

[(1, 212401520), (2, 106200760), (4, 53100380), (5, 42480304), (8, 26550190), (10, 21240152), (16, 13275095), (20, 10620076), (40, 5310038), (80, 2655019), (1049, 202480), (2098, 101240), (2531, 83920), (4196, 50620), (5062, 41960), (5245, 40496), (8392, 25310), (10124, 20980), (10490, 20248), (12655, 16784)]