40123972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{379}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 85120000

約数和(自身を除く): 44996028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 199, 266, 379, 398, 532, 758, 796, 1393, 1516, 2653, 2786, 3781, 5306, 5572, 7201, 7562, 10612, 14402, 15124, 26467, 28804, 50407, 52934, 75421, 100814, 105868, 150842, 201628, 301684, 527947, 1055894, 1432999, 2111788, 2865998, 5731996, 10030993, 20061986, 40123972]

約数ペア:

[(1, 40123972), (2, 20061986), (4, 10030993), (7, 5731996), (14, 2865998), (19, 2111788), (28, 1432999), (38, 1055894), (76, 527947), (133, 301684), (199, 201628), (266, 150842), (379, 105868), (398, 100814), (532, 75421), (758, 52934), (796, 50407), (1393, 28804), (1516, 26467), (2653, 15124), (2786, 14402), (3781, 10612), (5306, 7562), (5572, 7201)]