55885720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 138218400

約数和(自身を除く): 82332680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 809, 1256, 1570, 1618, 1727, 3140, 3236, 3454, 4045, 6280, 6472, 6908, 8090, 8635, 8899, 13816, 16180, 17270, 17798, 32360, 34540, 35596, 44495, 69080, 71192, 88990, 127013, 177980, 254026, 355960, 508052, 635065, 1016104, 1270130, 1397143, 2540260, 2794286, 5080520, 5588572, 6985715, 11177144, 13971430, 27942860, 55885720]

約数ペア:

[(1, 55885720), (2, 27942860), (4, 13971430), (5, 11177144), (8, 6985715), (10, 5588572), (11, 5080520), (20, 2794286), (22, 2540260), (40, 1397143), (44, 1270130), (55, 1016104), (88, 635065), (110, 508052), (157, 355960), (220, 254026), (314, 177980), (440, 127013), (628, 88990), (785, 71192), (809, 69080), (1256, 44495), (1570, 35596), (1618, 34540), (1727, 32360), (3140, 17798), (3236, 17270), (3454, 16180), (4045, 13816), (6280, 8899), (6472, 8635), (6908, 8090)]