4459478140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{21149}}^1$

素因数の和:21982

約数の個数: 48

約数和(自身を含む): 10098194400

約数和(自身を除く): 5638716260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 811, 1622, 3244, 4055, 8110, 10543, 16220, 21086, 21149, 42172, 42298, 52715, 84596, 105430, 105745, 210860, 211490, 274937, 422980, 549874, 1099748, 1374685, 2749370, 5498740, 17151839, 34303678, 68607356, 85759195, 171518390, 222973907, 343036780, 445947814, 891895628, 1114869535, 2229739070, 4459478140]

約数ペア:

[(1, 4459478140), (2, 2229739070), (4, 1114869535), (5, 891895628), (10, 445947814), (13, 343036780), (20, 222973907), (26, 171518390), (52, 85759195), (65, 68607356), (130, 34303678), (260, 17151839), (811, 5498740), (1622, 2749370), (3244, 1374685), (4055, 1099748), (8110, 549874), (10543, 422980), (16220, 274937), (21086, 211490), (21149, 210860), (42172, 105745), (42298, 105430), (52715, 84596)]