25510285

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 8704115

約数列:

[1, 5, 17, 29, 79, 85, 131, 145, 395, 493, 655, 1343, 2227, 2291, 2465, 3799, 6715, 10349, 11135, 11455, 18995, 38947, 51745, 64583, 175933, 194735, 300121, 322915, 879665, 1500605, 5102057, 25510285]

約数ペア:

[(1, 25510285), (5, 5102057), (17, 1500605), (29, 879665), (79, 322915), (85, 300121), (131, 194735), (145, 175933), (395, 64583), (493, 51745), (655, 38947), (1343, 18995), (2227, 11455), (2291, 11135), (2465, 10349), (3799, 6715)]