31161140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{82003}}^1$

素因数の和:82031

約数の個数: 24

約数和(自身を含む): 68883360

約数和(自身を除く): 37722220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 82003, 164006, 328012, 410015, 820030, 1558057, 1640060, 3116114, 6232228, 7790285, 15580570, 31161140]

約数ペア:

[(1, 31161140), (2, 15580570), (4, 7790285), (5, 6232228), (10, 3116114), (19, 1640060), (20, 1558057), (38, 820030), (76, 410015), (95, 328012), (190, 164006), (380, 82003)]