20012480

素因数分解:

$2^6\times 5^1\times {\mathrm{62539}}^1$

素因数の和:62556

約数の個数: 28

約数和(自身を含む): 47655480

約数和(自身を除く): 27643000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 62539, 125078, 250156, 312695, 500312, 625390, 1000624, 1250780, 2001248, 2501560, 4002496, 5003120, 10006240, 20012480]

約数ペア:

[(1, 20012480), (2, 10006240), (4, 5003120), (5, 4002496), (8, 2501560), (10, 2001248), (16, 1250780), (20, 1000624), (32, 625390), (40, 500312), (64, 312695), (80, 250156), (160, 125078), (320, 62539)]