20922400

素因数分解:

$2^5\times 5^2\times {\mathrm{26153}}^1$

素因数の和:26173

約数の個数: 36

約数和(自身を含む): 51078762

約数和(自身を除く): 30156362

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 26153, 52306, 104612, 130765, 209224, 261530, 418448, 523060, 653825, 836896, 1046120, 1307650, 2092240, 2615300, 4184480, 5230600, 10461200, 20922400]

約数ペア:

[(1, 20922400), (2, 10461200), (4, 5230600), (5, 4184480), (8, 2615300), (10, 2092240), (16, 1307650), (20, 1046120), (25, 836896), (32, 653825), (40, 523060), (50, 418448), (80, 261530), (100, 209224), (160, 130765), (200, 104612), (400, 52306), (800, 26153)]