20852800

素因数分解:

$2^6\times 5^2\times {\mathrm{13033}}^1$

素因数の和:13055

約数の個数: 42

約数和(自身を含む): 51314858

約数和(自身を除く): 30462058

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13033, 26066, 52132, 65165, 104264, 130330, 208528, 260660, 325825, 417056, 521320, 651650, 834112, 1042640, 1303300, 2085280, 2606600, 4170560, 5213200, 10426400, 20852800]

約数ペア:

[(1, 20852800), (2, 10426400), (4, 5213200), (5, 4170560), (8, 2606600), (10, 2085280), (16, 1303300), (20, 1042640), (25, 834112), (32, 651650), (40, 521320), (50, 417056), (64, 325825), (80, 260660), (100, 208528), (160, 130330), (200, 104264), (320, 65165), (400, 52132), (800, 26066), (1600, 13033)]