30513040

素因数分解:

$2^4\times 5^1\times {\mathrm{381413}}^1$

素因数の和:381426

約数の個数: 20

約数和(自身を含む): 70943004

約数和(自身を除く): 40429964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381413, 762826, 1525652, 1907065, 3051304, 3814130, 6102608, 7628260, 15256520, 30513040]

約数ペア:

[(1, 30513040), (2, 15256520), (4, 7628260), (5, 6102608), (8, 3814130), (10, 3051304), (16, 1907065), (20, 1525652), (40, 762826), (80, 381413)]