51455420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{135409}}^1$

素因数の和:135437

約数の個数: 24

約数和(自身を含む): 113744400

約数和(自身を除く): 62288980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 135409, 270818, 541636, 677045, 1354090, 2572771, 2708180, 5145542, 10291084, 12863855, 25727710, 51455420]

約数ペア:

[(1, 51455420), (2, 25727710), (4, 12863855), (5, 10291084), (10, 5145542), (19, 2708180), (20, 2572771), (38, 1354090), (76, 677045), (95, 541636), (190, 270818), (380, 135409)]