276538520

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{67121}}^1$

素因数の和:67235

約数の個数: 32

約数和(自身を含む): 628261920

約数和(自身を除く): 351723400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 67121, 134242, 268484, 335605, 536968, 671210, 1342420, 2684840, 6913463, 13826926, 27653852, 34567315, 55307704, 69134630, 138269260, 276538520]

約数ペア:

[(1, 276538520), (2, 138269260), (4, 69134630), (5, 55307704), (8, 34567315), (10, 27653852), (20, 13826926), (40, 6913463), (103, 2684840), (206, 1342420), (412, 671210), (515, 536968), (824, 335605), (1030, 268484), (2060, 134242), (4120, 67121)]