54920920

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1693}}^1$

素因数の和:2515

約数の個数: 32

約数和(自身を含む): 123797520

約数和(自身を除く): 68876600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 1693, 3244, 3386, 4055, 6488, 6772, 8110, 8465, 13544, 16220, 16930, 32440, 33860, 67720, 1373023, 2746046, 5492092, 6865115, 10984184, 13730230, 27460460, 54920920]

約数ペア:

[(1, 54920920), (2, 27460460), (4, 13730230), (5, 10984184), (8, 6865115), (10, 5492092), (20, 2746046), (40, 1373023), (811, 67720), (1622, 33860), (1693, 32440), (3244, 16930), (3386, 16220), (4055, 13544), (6488, 8465), (6772, 8110)]