7272920

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1051}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 16474320

約数和(自身を除く): 9201400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1051, 1384, 1730, 2102, 3460, 4204, 5255, 6920, 8408, 10510, 21020, 42040, 181823, 363646, 727292, 909115, 1454584, 1818230, 3636460, 7272920]

約数ペア:

[(1, 7272920), (2, 3636460), (4, 1818230), (5, 1454584), (8, 909115), (10, 727292), (20, 363646), (40, 181823), (173, 42040), (346, 21020), (692, 10510), (865, 8408), (1051, 6920), (1384, 5255), (1730, 4204), (2102, 3460)]