30625040

素因数分解:

$2^4\times 5^1\times {\mathrm{382813}}^1$

素因数の和:382826

約数の個数: 20

約数和(自身を含む): 71203404

約数和(自身を除く): 40578364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 382813, 765626, 1531252, 1914065, 3062504, 3828130, 6125008, 7656260, 15312520, 30625040]

約数ペア:

[(1, 30625040), (2, 15312520), (4, 7656260), (5, 6125008), (8, 3828130), (10, 3062504), (16, 1914065), (20, 1531252), (40, 765626), (80, 382813)]