12280720

素因数分解:

$2^4\times 5^1\times {\mathrm{153509}}^1$

素因数の和:153522

約数の個数: 20

約数和(自身を含む): 28552860

約数和(自身を除く): 16272140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 153509, 307018, 614036, 767545, 1228072, 1535090, 2456144, 3070180, 6140360, 12280720]

約数ペア:

[(1, 12280720), (2, 6140360), (4, 3070180), (5, 2456144), (8, 1535090), (10, 1228072), (16, 767545), (20, 614036), (40, 307018), (80, 153509)]