40389328

素因数分解:

$2^4\times 7^2\times {\mathrm{51517}}^1$

素因数の和:51539

約数の個数: 30

約数和(自身を含む): 91032306

約数和(自身を除く): 50642978

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 51517, 103034, 206068, 360619, 412136, 721238, 824272, 1442476, 2524333, 2884952, 5048666, 5769904, 10097332, 20194664, 40389328]

約数ペア:

[(1, 40389328), (2, 20194664), (4, 10097332), (7, 5769904), (8, 5048666), (14, 2884952), (16, 2524333), (28, 1442476), (49, 824272), (56, 721238), (98, 412136), (112, 360619), (196, 206068), (392, 103034), (784, 51517)]