7720840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10159}}^1$

素因数の和:10189

約数の個数: 32

約数和(自身を含む): 18288000

約数和(自身を除く): 10567160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 10159, 20318, 40636, 50795, 81272, 101590, 193021, 203180, 386042, 406360, 772084, 965105, 1544168, 1930210, 3860420, 7720840]

約数ペア:

[(1, 7720840), (2, 3860420), (4, 1930210), (5, 1544168), (8, 965105), (10, 772084), (19, 406360), (20, 386042), (38, 203180), (40, 193021), (76, 101590), (95, 81272), (152, 50795), (190, 40636), (380, 20318), (760, 10159)]