2564202440

素因数分解:

$2^3\times 5^1\times {\mathrm{4649}}^1\times {\mathrm{13789}}^1$

素因数の和:18449

約数の個数: 32

約数和(自身を含む): 5771115000

約数和(自身を除く): 3206912560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4649, 9298, 13789, 18596, 23245, 27578, 37192, 46490, 55156, 68945, 92980, 110312, 137890, 185960, 275780, 551560, 64105061, 128210122, 256420244, 320525305, 512840488, 641050610, 1282101220, 2564202440]

約数ペア:

[(1, 2564202440), (2, 1282101220), (4, 641050610), (5, 512840488), (8, 320525305), (10, 256420244), (20, 128210122), (40, 64105061), (4649, 551560), (9298, 275780), (13789, 185960), (18596, 137890), (23245, 110312), (27578, 92980), (37192, 68945), (46490, 55156)]