2019958025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{25561}}^1$

素因数の和:25709

約数の個数: 24

約数和(自身を含む): 2614992600

約数和(自身を除く): 595034575

約数列:

[1, 5, 25, 29, 109, 145, 545, 725, 2725, 3161, 15805, 25561, 79025, 127805, 639025, 741269, 2786149, 3706345, 13930745, 18531725, 69653725, 80798321, 403991605, 2019958025]

約数ペア:

[(1, 2019958025), (5, 403991605), (25, 80798321), (29, 69653725), (109, 18531725), (145, 13930745), (545, 3706345), (725, 2786149), (2725, 741269), (3161, 639025), (15805, 127805), (25561, 79025)]