25782820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{26309}}^1$

素因数の和:26332

約数の個数: 36

約数和(自身を含む): 62986140

約数和(自身を除く): 37203320

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 26309, 52618, 105236, 131545, 184163, 263090, 368326, 526180, 736652, 920815, 1289141, 1841630, 2578282, 3683260, 5156564, 6445705, 12891410, 25782820]

約数ペア:

[(1, 25782820), (2, 12891410), (4, 6445705), (5, 5156564), (7, 3683260), (10, 2578282), (14, 1841630), (20, 1289141), (28, 920815), (35, 736652), (49, 526180), (70, 368326), (98, 263090), (140, 184163), (196, 131545), (245, 105236), (490, 52618), (980, 26309)]