200720810

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{225529}}^1$

素因数の和:225625

約数の個数: 16

約数和(自身を含む): 365358600

約数和(自身を除く): 164637790

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 225529, 451058, 1127645, 2255290, 20072081, 40144162, 100360405, 200720810]

約数ペア:

[(1, 200720810), (2, 100360405), (5, 40144162), (10, 20072081), (89, 2255290), (178, 1127645), (445, 451058), (890, 225529)]