140470640

素因数分解:

$2^4\times 5^1\times {\mathrm{1755883}}^1$

素因数の和:1755896

約数の個数: 20

約数和(自身を含む): 326594424

約数和(自身を除く): 186123784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1755883, 3511766, 7023532, 8779415, 14047064, 17558830, 28094128, 35117660, 70235320, 140470640]

約数ペア:

[(1, 140470640), (2, 70235320), (4, 35117660), (5, 28094128), (8, 17558830), (10, 14047064), (16, 8779415), (20, 7023532), (40, 3511766), (80, 1755883)]