220132520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{82139}}^1$

素因数の和:82217

約数の個数: 32

約数和(自身を含む): 502696800

約数和(自身を除く): 282564280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 82139, 164278, 328556, 410695, 657112, 821390, 1642780, 3285560, 5503313, 11006626, 22013252, 27516565, 44026504, 55033130, 110066260, 220132520]

約数ペア:

[(1, 220132520), (2, 110066260), (4, 55033130), (5, 44026504), (8, 27516565), (10, 22013252), (20, 11006626), (40, 5503313), (67, 3285560), (134, 1642780), (268, 821390), (335, 657112), (536, 410695), (670, 328556), (1340, 164278), (2680, 82139)]