12448720

素因数分解:

$2^4\times 5^1\times {\mathrm{155609}}^1$

素因数の和:155622

約数の個数: 20

約数和(自身を含む): 28943460

約数和(自身を除く): 16494740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155609, 311218, 622436, 778045, 1244872, 1556090, 2489744, 3112180, 6224360, 12448720]

約数ペア:

[(1, 12448720), (2, 6224360), (4, 3112180), (5, 2489744), (8, 1556090), (10, 1244872), (16, 778045), (20, 622436), (40, 311218), (80, 155609)]