2051220820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2137}}^1\times {\mathrm{4363}}^1$

素因数の和:6520

約数の個数: 48

約数和(自身を含む): 4702436928

約数和(自身を除く): 2651216108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2137, 4274, 4363, 8548, 8726, 10685, 17452, 21370, 21815, 23507, 42740, 43630, 47014, 47993, 87260, 94028, 95986, 117535, 191972, 235070, 239965, 470140, 479930, 959860, 9323731, 18647462, 37294924, 46618655, 93237310, 102561041, 186474620, 205122082, 410244164, 512805205, 1025610410, 2051220820]

約数ペア:

[(1, 2051220820), (2, 1025610410), (4, 512805205), (5, 410244164), (10, 205122082), (11, 186474620), (20, 102561041), (22, 93237310), (44, 46618655), (55, 37294924), (110, 18647462), (220, 9323731), (2137, 959860), (4274, 479930), (4363, 470140), (8548, 239965), (8726, 235070), (10685, 191972), (17452, 117535), (21370, 95986), (21815, 94028), (23507, 87260), (42740, 47993), (43630, 47014)]