2103775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 2837120

約数和(自身を除く): 733345

約数列:

[1, 5, 19, 25, 43, 95, 103, 215, 475, 515, 817, 1075, 1957, 2575, 4085, 4429, 9785, 20425, 22145, 48925, 84151, 110725, 420755, 2103775]

約数ペア:

[(1, 2103775), (5, 420755), (19, 110725), (25, 84151), (43, 48925), (95, 22145), (103, 20425), (215, 9785), (475, 4429), (515, 4085), (817, 2575), (1075, 1957)]