138362680

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{3797}}^1$

素因数の和:4719

約数の個数: 32

約数和(自身を含む): 311739840

約数和(自身を除く): 173377160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 3797, 4555, 7288, 7594, 9110, 15188, 18220, 18985, 30376, 36440, 37970, 75940, 151880, 3459067, 6918134, 13836268, 17295335, 27672536, 34590670, 69181340, 138362680]

約数ペア:

[(1, 138362680), (2, 69181340), (4, 34590670), (5, 27672536), (8, 17295335), (10, 13836268), (20, 6918134), (40, 3459067), (911, 151880), (1822, 75940), (3644, 37970), (3797, 36440), (4555, 30376), (7288, 18985), (7594, 18220), (9110, 15188)]