40400006

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 66963456

約数和(自身を除く): 26563450

約数列:

[1, 2, 23, 31, 41, 46, 62, 82, 691, 713, 943, 1271, 1382, 1426, 1886, 2542, 15893, 21421, 28331, 29233, 31786, 42842, 56662, 58466, 492683, 651613, 878261, 985366, 1303226, 1756522, 20200003, 40400006]

約数ペア:

[(1, 40400006), (2, 20200003), (23, 1756522), (31, 1303226), (41, 985366), (46, 878261), (62, 651613), (82, 492683), (691, 58466), (713, 56662), (943, 42842), (1271, 31786), (1382, 29233), (1426, 28331), (1886, 21421), (2542, 15893)]