2049188800

素因数分解:

$2^6\times 5^2\times {\mathrm{1280743}}^1$

素因数の和:1280765

約数の個数: 42

約数和(自身を含む): 5042289128

約数和(自身を除く): 2993100328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 1280743, 2561486, 5122972, 6403715, 10245944, 12807430, 20491888, 25614860, 32018575, 40983776, 51229720, 64037150, 81967552, 102459440, 128074300, 204918880, 256148600, 409837760, 512297200, 1024594400, 2049188800]

約数ペア:

[(1, 2049188800), (2, 1024594400), (4, 512297200), (5, 409837760), (8, 256148600), (10, 204918880), (16, 128074300), (20, 102459440), (25, 81967552), (32, 64037150), (40, 51229720), (50, 40983776), (64, 32018575), (80, 25614860), (100, 20491888), (160, 12807430), (200, 10245944), (320, 6403715), (400, 5122972), (800, 2561486), (1600, 1280743)]