1312420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 2778048

約数和(自身を除く): 1465628

約数列:

[1, 2, 4, 5, 10, 20, 211, 311, 422, 622, 844, 1055, 1244, 1555, 2110, 3110, 4220, 6220, 65621, 131242, 262484, 328105, 656210, 1312420]

約数ペア:

[(1, 1312420), (2, 656210), (4, 328105), (5, 262484), (10, 131242), (20, 65621), (211, 6220), (311, 4220), (422, 3110), (622, 2110), (844, 1555), (1055, 1244)]