40290488

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1993}}^1$

素因数の和:2044

約数の個数: 48

約数和(自身を含む): 91165680

約数和(自身を除く): 50875192

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 361, 532, 722, 1064, 1444, 1993, 2527, 2888, 3986, 5054, 7972, 10108, 13951, 15944, 20216, 27902, 37867, 55804, 75734, 111608, 151468, 265069, 302936, 530138, 719473, 1060276, 1438946, 2120552, 2877892, 5036311, 5755784, 10072622, 20145244, 40290488]

約数ペア:

[(1, 40290488), (2, 20145244), (4, 10072622), (7, 5755784), (8, 5036311), (14, 2877892), (19, 2120552), (28, 1438946), (38, 1060276), (56, 719473), (76, 530138), (133, 302936), (152, 265069), (266, 151468), (361, 111608), (532, 75734), (722, 55804), (1064, 37867), (1444, 27902), (1993, 20216), (2527, 15944), (2888, 13951), (3986, 10108), (5054, 7972)]