4664840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{839}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 10584000

約数和(自身を除く): 5919160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 839, 1112, 1390, 1678, 2780, 3356, 4195, 5560, 6712, 8390, 16780, 33560, 116621, 233242, 466484, 583105, 932968, 1166210, 2332420, 4664840]

約数ペア:

[(1, 4664840), (2, 2332420), (4, 1166210), (5, 932968), (8, 583105), (10, 466484), (20, 233242), (40, 116621), (139, 33560), (278, 16780), (556, 8390), (695, 6712), (839, 5560), (1112, 4195), (1390, 3356), (1678, 2780)]