40345396

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 87431680

約数和(自身を除く): 47086284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 271, 364, 409, 542, 818, 1084, 1636, 1897, 2863, 3523, 3794, 5317, 5726, 7046, 7588, 10634, 11452, 14092, 21268, 24661, 37219, 49322, 74438, 98644, 110839, 148876, 221678, 443356, 775873, 1440907, 1551746, 2881814, 3103492, 5763628, 10086349, 20172698, 40345396]

約数ペア:

[(1, 40345396), (2, 20172698), (4, 10086349), (7, 5763628), (13, 3103492), (14, 2881814), (26, 1551746), (28, 1440907), (52, 775873), (91, 443356), (182, 221678), (271, 148876), (364, 110839), (409, 98644), (542, 74438), (818, 49322), (1084, 37219), (1636, 24661), (1897, 21268), (2863, 14092), (3523, 11452), (3794, 10634), (5317, 7588), (5726, 7046)]