2051200

素因数分解:

$2^7\times 5^2\times {\mathrm{641}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 5075010

約数和(自身を除く): 3023810

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 641, 800, 1282, 1600, 2564, 3200, 3205, 5128, 6410, 10256, 12820, 16025, 20512, 25640, 32050, 41024, 51280, 64100, 82048, 102560, 128200, 205120, 256400, 410240, 512800, 1025600, 2051200]

約数ペア:

[(1, 2051200), (2, 1025600), (4, 512800), (5, 410240), (8, 256400), (10, 205120), (16, 128200), (20, 102560), (25, 82048), (32, 64100), (40, 51280), (50, 41024), (64, 32050), (80, 25640), (100, 20512), (128, 16025), (160, 12820), (200, 10256), (320, 6410), (400, 5128), (640, 3205), (641, 3200), (800, 2564), (1282, 1600)]