208057940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{100999}}^1$

素因数の和:101111

約数の個数: 24

約数和(自身を含む): 441168000

約数和(自身を除く): 233110060

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 100999, 201998, 403996, 504995, 1009990, 2019980, 10402897, 20805794, 41611588, 52014485, 104028970, 208057940]

約数ペア:

[(1, 208057940), (2, 104028970), (4, 52014485), (5, 41611588), (10, 20805794), (20, 10402897), (103, 2019980), (206, 1009990), (412, 504995), (515, 403996), (1030, 201998), (2060, 100999)]