2080655420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5475409}}^1$

素因数の和:5475437

約数の個数: 24

約数和(自身を含む): 4599344400

約数和(自身を除く): 2518688980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5475409, 10950818, 21901636, 27377045, 54754090, 104032771, 109508180, 208065542, 416131084, 520163855, 1040327710, 2080655420]

約数ペア:

[(1, 2080655420), (2, 1040327710), (4, 520163855), (5, 416131084), (10, 208065542), (19, 109508180), (20, 104032771), (38, 54754090), (76, 27377045), (95, 21901636), (190, 10950818), (380, 5475409)]