256129600

素因数分解:

$2^6\times 5^2\times {\mathrm{160081}}^1$

素因数の和:160103

約数の個数: 42

約数和(自身を含む): 630242834

約数和(自身を除く): 374113234

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 160081, 320162, 640324, 800405, 1280648, 1600810, 2561296, 3201620, 4002025, 5122592, 6403240, 8004050, 10245184, 12806480, 16008100, 25612960, 32016200, 51225920, 64032400, 128064800, 256129600]

約数ペア:

[(1, 256129600), (2, 128064800), (4, 64032400), (5, 51225920), (8, 32016200), (10, 25612960), (16, 16008100), (20, 12806480), (25, 10245184), (32, 8004050), (40, 6403240), (50, 5122592), (64, 4002025), (80, 3201620), (100, 2561296), (160, 1600810), (200, 1280648), (320, 800405), (400, 640324), (800, 320162), (1600, 160081)]