31376980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82571}}^1$

素因数の和:82599

約数の個数: 24

約数和(自身を含む): 69360480

約数和(自身を除く): 37983500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 82571, 165142, 330284, 412855, 825710, 1568849, 1651420, 3137698, 6275396, 7844245, 15688490, 31376980]

約数ペア:

[(1, 31376980), (2, 15688490), (4, 7844245), (5, 6275396), (10, 3137698), (19, 1651420), (20, 1568849), (38, 825710), (76, 412855), (95, 330284), (190, 165142), (380, 82571)]