48640684

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{640009}}^1$

素因数の和:640032

約数の個数: 12

約数和(自身を含む): 89601400

約数和(自身を除く): 40960716

約数列:

[1, 2, 4, 19, 38, 76, 640009, 1280018, 2560036, 12160171, 24320342, 48640684]

約数ペア:

[(1, 48640684), (2, 24320342), (4, 12160171), (19, 2560036), (38, 1280018), (76, 640009)]