71866840

素因数分解:

$2^3\times 5^1\times {\mathrm{1796671}}^1$

素因数の和:1796682

約数の個数: 16

約数和(自身を含む): 161700480

約数和(自身を除く): 89833640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1796671, 3593342, 7186684, 8983355, 14373368, 17966710, 35933420, 71866840]

約数ペア:

[(1, 71866840), (2, 35933420), (4, 17966710), (5, 14373368), (8, 8983355), (10, 7186684), (20, 3593342), (40, 1796671)]