40525040

素因数分解:

$2^4\times 5^1\times {\mathrm{506563}}^1$

素因数の和:506576

約数の個数: 20

約数和(自身を含む): 94220904

約数和(自身を除く): 53695864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506563, 1013126, 2026252, 2532815, 4052504, 5065630, 8105008, 10131260, 20262520, 40525040]

約数ペア:

[(1, 40525040), (2, 20262520), (4, 10131260), (5, 8105008), (8, 5065630), (10, 4052504), (16, 2532815), (20, 2026252), (40, 1013126), (80, 506563)]