30705040

素因数分解:

$2^4\times 5^1\times {\mathrm{383813}}^1$

素因数の和:383826

約数の個数: 20

約数和(自身を含む): 71389404

約数和(自身を除く): 40684364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383813, 767626, 1535252, 1919065, 3070504, 3838130, 6141008, 7676260, 15352520, 30705040]

約数ペア:

[(1, 30705040), (2, 15352520), (4, 7676260), (5, 6141008), (8, 3838130), (10, 3070504), (16, 1919065), (20, 1535252), (40, 767626), (80, 383813)]