40942382

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 69242880

約数和(自身を除く): 28300498

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 643, 806, 1027, 1286, 2054, 2449, 4898, 8359, 16718, 19933, 31837, 39866, 50797, 63674, 101594, 259129, 518258, 660361, 1320722, 1574707, 3149414, 20471191, 40942382]

約数ペア:

[(1, 40942382), (2, 20471191), (13, 3149414), (26, 1574707), (31, 1320722), (62, 660361), (79, 518258), (158, 259129), (403, 101594), (643, 63674), (806, 50797), (1027, 39866), (1286, 31837), (2054, 19933), (2449, 16718), (4898, 8359)]