25640416

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{19543}}^1$

素因数の和:19594

約数の個数: 24

約数和(自身を含む): 51713424

約数和(自身を除く): 26073008

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 19543, 39086, 78172, 156344, 312688, 625376, 801263, 1602526, 3205052, 6410104, 12820208, 25640416]

約数ペア:

[(1, 25640416), (2, 12820208), (4, 6410104), (8, 3205052), (16, 1602526), (32, 801263), (41, 625376), (82, 312688), (164, 156344), (328, 78172), (656, 39086), (1312, 19543)]