11971000

素因数分解:

$2^3\times 5^3\times {\mathrm{11971}}^1$

素因数の和:11992

約数の個数: 32

約数和(自身を含む): 28014480

約数和(自身を除く): 16043480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 11971, 23942, 47884, 59855, 95768, 119710, 239420, 299275, 478840, 598550, 1197100, 1496375, 2394200, 2992750, 5985500, 11971000]

約数ペア:

[(1, 11971000), (2, 5985500), (4, 2992750), (5, 2394200), (8, 1496375), (10, 1197100), (20, 598550), (25, 478840), (40, 299275), (50, 239420), (100, 119710), (125, 95768), (200, 59855), (250, 47884), (500, 23942), (1000, 11971)]