71642540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{188533}}^1$

素因数の和:188561

約数の個数: 24

約数和(自身を含む): 158368560

約数和(自身を除く): 86726020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 188533, 377066, 754132, 942665, 1885330, 3582127, 3770660, 7164254, 14328508, 17910635, 35821270, 71642540]

約数ペア:

[(1, 71642540), (2, 35821270), (4, 17910635), (5, 14328508), (10, 7164254), (19, 3770660), (20, 3582127), (38, 1885330), (76, 942665), (95, 754132), (190, 377066), (380, 188533)]