77846380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40127}}^1$

素因数の和:40233

約数の個数: 24

約数和(自身を含む): 165166848

約数和(自身を除く): 87320468

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 40127, 80254, 160508, 200635, 401270, 802540, 3892319, 7784638, 15569276, 19461595, 38923190, 77846380]

約数ペア:

[(1, 77846380), (2, 38923190), (4, 19461595), (5, 15569276), (10, 7784638), (20, 3892319), (97, 802540), (194, 401270), (388, 200635), (485, 160508), (970, 80254), (1940, 40127)]