40872412

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21787}}^1$

素因数の和:21865

約数の個数: 24

約数和(自身を含む): 82968704

約数和(自身を除く): 42096292

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21787, 43574, 87148, 152509, 305018, 610036, 1459729, 2919458, 5838916, 10218103, 20436206, 40872412]

約数ペア:

[(1, 40872412), (2, 20436206), (4, 10218103), (7, 5838916), (14, 2919458), (28, 1459729), (67, 610036), (134, 305018), (268, 152509), (469, 87148), (938, 43574), (1876, 21787)]