203476880

素因数分解:

$2^4\times 5^1\times {\mathrm{2543461}}^1$

素因数の和:2543474

約数の個数: 20

約数和(自身を含む): 473083932

約数和(自身を除く): 269607052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543461, 5086922, 10173844, 12717305, 20347688, 25434610, 40695376, 50869220, 101738440, 203476880]

約数ペア:

[(1, 203476880), (2, 101738440), (4, 50869220), (5, 40695376), (8, 25434610), (10, 20347688), (16, 12717305), (20, 10173844), (40, 5086922), (80, 2543461)]