84634640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{19961}}^1$

素因数の和:20027

約数の個数: 40

約数和(自身を含む): 200498328

約数和(自身を除く): 115863688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 19961, 39922, 79844, 99805, 159688, 199610, 319376, 399220, 798440, 1057933, 1596880, 2115866, 4231732, 5289665, 8463464, 10579330, 16926928, 21158660, 42317320, 84634640]

約数ペア:

[(1, 84634640), (2, 42317320), (4, 21158660), (5, 16926928), (8, 10579330), (10, 8463464), (16, 5289665), (20, 4231732), (40, 2115866), (53, 1596880), (80, 1057933), (106, 798440), (212, 399220), (265, 319376), (424, 199610), (530, 159688), (848, 99805), (1060, 79844), (2120, 39922), (4240, 19961)]