4840820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12739}}^1$

素因数の和:12767

約数の個数: 24

約数和(自身を含む): 10701600

約数和(自身を除く): 5860780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 12739, 25478, 50956, 63695, 127390, 242041, 254780, 484082, 968164, 1210205, 2420410, 4840820]

約数ペア:

[(1, 4840820), (2, 2420410), (4, 1210205), (5, 968164), (10, 484082), (19, 254780), (20, 242041), (38, 127390), (76, 63695), (95, 50956), (190, 25478), (380, 12739)]