8803820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 19625760

約数和(自身を除く): 10821940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 353, 430, 580, 706, 860, 1247, 1412, 1765, 2494, 3530, 4988, 6235, 7060, 10237, 12470, 15179, 20474, 24940, 30358, 40948, 51185, 60716, 75895, 102370, 151790, 204740, 303580, 440191, 880382, 1760764, 2200955, 4401910, 8803820]

約数ペア:

[(1, 8803820), (2, 4401910), (4, 2200955), (5, 1760764), (10, 880382), (20, 440191), (29, 303580), (43, 204740), (58, 151790), (86, 102370), (116, 75895), (145, 60716), (172, 51185), (215, 40948), (290, 30358), (353, 24940), (430, 20474), (580, 15179), (706, 12470), (860, 10237), (1247, 7060), (1412, 6235), (1765, 4988), (2494, 3530)]