2081566220

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1\times {\mathrm{2137}}^1$

素因数の和:2690

約数の個数: 48

約数和(自身を含む): 4422273408

約数和(自身を除く): 2340707188

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 431, 452, 565, 862, 1130, 1724, 2137, 2155, 2260, 4274, 4310, 8548, 8620, 10685, 21370, 42740, 48703, 97406, 194812, 241481, 243515, 482962, 487030, 921047, 965924, 974060, 1207405, 1842094, 2414810, 3684188, 4605235, 4829620, 9210470, 18420940, 104078311, 208156622, 416313244, 520391555, 1040783110, 2081566220]

約数ペア:

[(1, 2081566220), (2, 1040783110), (4, 520391555), (5, 416313244), (10, 208156622), (20, 104078311), (113, 18420940), (226, 9210470), (431, 4829620), (452, 4605235), (565, 3684188), (862, 2414810), (1130, 1842094), (1724, 1207405), (2137, 974060), (2155, 965924), (2260, 921047), (4274, 487030), (4310, 482962), (8548, 243515), (8620, 241481), (10685, 194812), (21370, 97406), (42740, 48703)]