12830920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18869}}^1$

素因数の和:18897

約数の個数: 32

約数和(自身を含む): 30569400

約数和(自身を除く): 17738480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 18869, 37738, 75476, 94345, 150952, 188690, 320773, 377380, 641546, 754760, 1283092, 1603865, 2566184, 3207730, 6415460, 12830920]

約数ペア:

[(1, 12830920), (2, 6415460), (4, 3207730), (5, 2566184), (8, 1603865), (10, 1283092), (17, 754760), (20, 641546), (34, 377380), (40, 320773), (68, 188690), (85, 150952), (136, 94345), (170, 75476), (340, 37738), (680, 18869)]