65130040

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{3709}}^1$

素因数の和:4159

約数の個数: 32

約数和(自身を含む): 146916000

約数和(自身を除く): 81785960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 3709, 4390, 7418, 8780, 14836, 17560, 18545, 29672, 37090, 74180, 148360, 1628251, 3256502, 6513004, 8141255, 13026008, 16282510, 32565020, 65130040]

約数ペア:

[(1, 65130040), (2, 32565020), (4, 16282510), (5, 13026008), (8, 8141255), (10, 6513004), (20, 3256502), (40, 1628251), (439, 148360), (878, 74180), (1756, 37090), (2195, 29672), (3512, 18545), (3709, 17560), (4390, 14836), (7418, 8780)]