12864540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16493}}^1$

素因数の和:16518

約数の個数: 48

約数和(自身を含む): 38793888

約数和(自身を除く): 25929348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 16493, 32986, 49479, 65972, 82465, 98958, 164930, 197916, 214409, 247395, 329860, 428818, 494790, 643227, 857636, 989580, 1072045, 1286454, 2144090, 2572908, 3216135, 4288180, 6432270, 12864540]

約数ペア:

[(1, 12864540), (2, 6432270), (3, 4288180), (4, 3216135), (5, 2572908), (6, 2144090), (10, 1286454), (12, 1072045), (13, 989580), (15, 857636), (20, 643227), (26, 494790), (30, 428818), (39, 329860), (52, 247395), (60, 214409), (65, 197916), (78, 164930), (130, 98958), (156, 82465), (195, 65972), (260, 49479), (390, 32986), (780, 16493)]