65801680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{117503}}^1$

素因数の和:117523

約数の個数: 40

約数和(自身を含む): 174845952

約数和(自身を除く): 109044272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 117503, 235006, 470012, 587515, 822521, 940024, 1175030, 1645042, 1880048, 2350060, 3290084, 4112605, 4700120, 6580168, 8225210, 9400240, 13160336, 16450420, 32900840, 65801680]

約数ペア:

[(1, 65801680), (2, 32900840), (4, 16450420), (5, 13160336), (7, 9400240), (8, 8225210), (10, 6580168), (14, 4700120), (16, 4112605), (20, 3290084), (28, 2350060), (35, 1880048), (40, 1645042), (56, 1175030), (70, 940024), (80, 822521), (112, 587515), (140, 470012), (280, 235006), (560, 117503)]