67540820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{177739}}^1$

素因数の和:177767

約数の個数: 24

約数和(自身を含む): 149301600

約数和(自身を除く): 81760780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 177739, 355478, 710956, 888695, 1777390, 3377041, 3554780, 6754082, 13508164, 16885205, 33770410, 67540820]

約数ペア:

[(1, 67540820), (2, 33770410), (4, 16885205), (5, 13508164), (10, 6754082), (19, 3554780), (20, 3377041), (38, 1777390), (76, 888695), (95, 710956), (190, 355478), (380, 177739)]