30281840

素因数分解:

$2^4\times 5^1\times {\mathrm{378523}}^1$

素因数の和:378536

約数の個数: 20

約数和(自身を含む): 70405464

約数和(自身を除く): 40123624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 378523, 757046, 1514092, 1892615, 3028184, 3785230, 6056368, 7570460, 15140920, 30281840]

約数ペア:

[(1, 30281840), (2, 15140920), (4, 7570460), (5, 6056368), (8, 3785230), (10, 3028184), (16, 1892615), (20, 1514092), (40, 757046), (80, 378523)]