66533560

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2087}}^1$

素因数の和:2895

約数の個数: 32

約数和(自身を含む): 149960160

約数和(自身を除く): 83426600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 2087, 3188, 3985, 4174, 6376, 7970, 8348, 10435, 15940, 16696, 20870, 31880, 41740, 83480, 1663339, 3326678, 6653356, 8316695, 13306712, 16633390, 33266780, 66533560]

約数ペア:

[(1, 66533560), (2, 33266780), (4, 16633390), (5, 13306712), (8, 8316695), (10, 6653356), (20, 3326678), (40, 1663339), (797, 83480), (1594, 41740), (2087, 31880), (3188, 20870), (3985, 16696), (4174, 15940), (6376, 10435), (7970, 8348)]