12512120

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{743}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 28257120

約数和(自身を除く): 15745000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 743, 842, 1486, 1684, 2105, 2972, 3368, 3715, 4210, 5944, 7430, 8420, 14860, 16840, 29720, 312803, 625606, 1251212, 1564015, 2502424, 3128030, 6256060, 12512120]

約数ペア:

[(1, 12512120), (2, 6256060), (4, 3128030), (5, 2502424), (8, 1564015), (10, 1251212), (20, 625606), (40, 312803), (421, 29720), (743, 16840), (842, 14860), (1486, 8420), (1684, 7430), (2105, 5944), (2972, 4210), (3368, 3715)]