40720876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{76543}}^1$

素因数の和:76573

約数の個数: 24

約数和(自身を含む): 85729280

約数和(自身を除く): 45008404

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 76543, 153086, 306172, 535801, 1071602, 1454317, 2143204, 2908634, 5817268, 10180219, 20360438, 40720876]

約数ペア:

[(1, 40720876), (2, 20360438), (4, 10180219), (7, 5817268), (14, 2908634), (19, 2143204), (28, 1454317), (38, 1071602), (76, 535801), (133, 306172), (266, 153086), (532, 76543)]