12455440

素因数分解:

$2^4\times 5^1\times {\mathrm{155693}}^1$

素因数の和:155706

約数の個数: 20

約数和(自身を含む): 28959084

約数和(自身を除く): 16503644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155693, 311386, 622772, 778465, 1245544, 1556930, 2491088, 3113860, 6227720, 12455440]

約数ペア:

[(1, 12455440), (2, 6227720), (4, 3113860), (5, 2491088), (8, 1556930), (10, 1245544), (16, 778465), (20, 622772), (40, 311386), (80, 155693)]