200220880

素因数分解:

$2^4\times 5^1\times {\mathrm{2502761}}^1$

素因数の和:2502774

約数の個数: 20

約数和(自身を含む): 465513732

約数和(自身を除く): 265292852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2502761, 5005522, 10011044, 12513805, 20022088, 25027610, 40044176, 50055220, 100110440, 200220880]

約数ペア:

[(1, 200220880), (2, 100110440), (4, 50055220), (5, 40044176), (8, 25027610), (10, 20022088), (16, 12513805), (20, 10011044), (40, 5005522), (80, 2502761)]