25632380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31259}}^1$

素因数の和:31309

約数の個数: 24

約数和(自身を含む): 55142640

約数和(自身を除く): 29510260

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31259, 62518, 125036, 156295, 312590, 625180, 1281619, 2563238, 5126476, 6408095, 12816190, 25632380]

約数ペア:

[(1, 25632380), (2, 12816190), (4, 6408095), (5, 5126476), (10, 2563238), (20, 1281619), (41, 625180), (82, 312590), (164, 156295), (205, 125036), (410, 62518), (820, 31259)]