204047120

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{24763}}^1$

素因数の和:24879

約数の個数: 40

約数和(自身を含む): 479034816

約数和(自身を除く): 274987696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 4120, 8240, 24763, 49526, 99052, 123815, 198104, 247630, 396208, 495260, 990520, 1981040, 2550589, 5101178, 10202356, 12752945, 20404712, 25505890, 40809424, 51011780, 102023560, 204047120]

約数ペア:

[(1, 204047120), (2, 102023560), (4, 51011780), (5, 40809424), (8, 25505890), (10, 20404712), (16, 12752945), (20, 10202356), (40, 5101178), (80, 2550589), (103, 1981040), (206, 990520), (412, 495260), (515, 396208), (824, 247630), (1030, 198104), (1648, 123815), (2060, 99052), (4120, 49526), (8240, 24763)]