54687890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{15149}}^1$

素因数の和:15194

約数の個数: 24

約数和(自身を含む): 103898700

約数和(自身を除く): 49210810

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 15149, 30298, 75745, 151490, 287831, 575662, 1439155, 2878310, 5468789, 10937578, 27343945, 54687890]

約数ペア:

[(1, 54687890), (2, 27343945), (5, 10937578), (10, 5468789), (19, 2878310), (38, 1439155), (95, 575662), (190, 287831), (361, 151490), (722, 75745), (1805, 30298), (3610, 15149)]