156872120

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{20533}}^1$

素因数の和:20735

約数の個数: 32

約数和(自身を含む): 354827520

約数和(自身を除く): 197955400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 20533, 41066, 82132, 102665, 164264, 205330, 410660, 821320, 3921803, 7843606, 15687212, 19609015, 31374424, 39218030, 78436060, 156872120]

約数ペア:

[(1, 156872120), (2, 78436060), (4, 39218030), (5, 31374424), (8, 19609015), (10, 15687212), (20, 7843606), (40, 3921803), (191, 821320), (382, 410660), (764, 205330), (955, 164264), (1528, 102665), (1910, 82132), (3820, 41066), (7640, 20533)]