220196080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211727}}^1$

素因数の和:211753

約数の個数: 40

約数和(自身を含む): 551339712

約数和(自身を除く): 331143632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 211727, 423454, 846908, 1058635, 1693816, 2117270, 2752451, 3387632, 4234540, 5504902, 8469080, 11009804, 13762255, 16938160, 22019608, 27524510, 44039216, 55049020, 110098040, 220196080]

約数ペア:

[(1, 220196080), (2, 110098040), (4, 55049020), (5, 44039216), (8, 27524510), (10, 22019608), (13, 16938160), (16, 13762255), (20, 11009804), (26, 8469080), (40, 5504902), (52, 4234540), (65, 3387632), (80, 2752451), (104, 2117270), (130, 1693816), (208, 1058635), (260, 846908), (520, 423454), (1040, 211727)]