204544240

素因数分解:

$2^4\times 5^1\times {\mathrm{2556803}}^1$

素因数の和:2556816

約数の個数: 20

約数和(自身を含む): 475565544

約数和(自身を除く): 271021304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2556803, 5113606, 10227212, 12784015, 20454424, 25568030, 40908848, 51136060, 102272120, 204544240]

約数ペア:

[(1, 204544240), (2, 102272120), (4, 51136060), (5, 40908848), (8, 25568030), (10, 20454424), (16, 12784015), (20, 10227212), (40, 5113606), (80, 2556803)]