256064800

素因数分解:

$2^5\times 5^2\times {\mathrm{320081}}^1$

素因数の和:320101

約数の個数: 36

約数和(自身を含む): 625120146

約数和(自身を除く): 369055346

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 320081, 640162, 1280324, 1600405, 2560648, 3200810, 5121296, 6401620, 8002025, 10242592, 12803240, 16004050, 25606480, 32008100, 51212960, 64016200, 128032400, 256064800]

約数ペア:

[(1, 256064800), (2, 128032400), (4, 64016200), (5, 51212960), (8, 32008100), (10, 25606480), (16, 16004050), (20, 12803240), (25, 10242592), (32, 8002025), (40, 6401620), (50, 5121296), (80, 3200810), (100, 2560648), (160, 1600405), (200, 1280324), (400, 640162), (800, 320081)]