2097012800

素因数分解:

$2^6\times 5^2\times {\mathrm{1310633}}^1$

素因数の和:1310655

約数の個数: 42

約数和(自身を含む): 5159966058

約数和(自身を除く): 3062953258

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 1310633, 2621266, 5242532, 6553165, 10485064, 13106330, 20970128, 26212660, 32765825, 41940256, 52425320, 65531650, 83880512, 104850640, 131063300, 209701280, 262126600, 419402560, 524253200, 1048506400, 2097012800]

約数ペア:

[(1, 2097012800), (2, 1048506400), (4, 524253200), (5, 419402560), (8, 262126600), (10, 209701280), (16, 131063300), (20, 104850640), (25, 83880512), (32, 65531650), (40, 52425320), (50, 41940256), (64, 32765825), (80, 26212660), (100, 20970128), (160, 13106330), (200, 10485064), (320, 6553165), (400, 5242532), (800, 2621266), (1600, 1310633)]