200720052005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{4871}}^1\times {\mathrm{68111}}^1$

素因数の和:73009

約数の個数: 24

約数和(自身を含む): 264809647872

約数和(自身を除く): 64089595867

約数列:

[1, 5, 11, 55, 121, 605, 4871, 24355, 53581, 68111, 267905, 340555, 589391, 749221, 2946955, 3746105, 8241431, 41207155, 331768681, 1658843405, 3649455491, 18247277455, 40144010401, 200720052005]

約数ペア:

[(1, 200720052005), (5, 40144010401), (11, 18247277455), (55, 3649455491), (121, 1658843405), (605, 331768681), (4871, 41207155), (24355, 8241431), (53581, 3746105), (68111, 2946955), (267905, 749221), (340555, 589391)]