7320980

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{941}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 15429960

約数和(自身を除く): 8108980

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 941, 1556, 1882, 1945, 3764, 3890, 4705, 7780, 9410, 18820, 366049, 732098, 1464196, 1830245, 3660490, 7320980]

約数ペア:

[(1, 7320980), (2, 3660490), (4, 1830245), (5, 1464196), (10, 732098), (20, 366049), (389, 18820), (778, 9410), (941, 7780), (1556, 4705), (1882, 3890), (1945, 3764)]