220185800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{25603}}^1$

素因数の和:25662

約数の個数: 48

約数和(自身を含む): 523857840

約数和(自身を除く): 303672040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 25603, 51206, 102412, 128015, 204824, 256030, 512060, 640075, 1024120, 1100929, 1280150, 2201858, 2560300, 4403716, 5120600, 5504645, 8807432, 11009290, 22018580, 27523225, 44037160, 55046450, 110092900, 220185800]

約数ペア:

[(1, 220185800), (2, 110092900), (4, 55046450), (5, 44037160), (8, 27523225), (10, 22018580), (20, 11009290), (25, 8807432), (40, 5504645), (43, 5120600), (50, 4403716), (86, 2560300), (100, 2201858), (172, 1280150), (200, 1100929), (215, 1024120), (344, 640075), (430, 512060), (860, 256030), (1075, 204824), (1720, 128015), (2150, 102412), (4300, 51206), (8600, 25603)]