220266520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{82189}}^1$

素因数の和:82267

約数の個数: 32

約数和(自身を含む): 503002800

約数和(自身を除く): 282736280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 82189, 164378, 328756, 410945, 657512, 821890, 1643780, 3287560, 5506663, 11013326, 22026652, 27533315, 44053304, 55066630, 110133260, 220266520]

約数ペア:

[(1, 220266520), (2, 110133260), (4, 55066630), (5, 44053304), (8, 27533315), (10, 22026652), (20, 11013326), (40, 5506663), (67, 3287560), (134, 1643780), (268, 821890), (335, 657512), (536, 410945), (670, 328756), (1340, 164378), (2680, 82189)]