12472960

素因数分解:

$2^7\times 5^1\times {\mathrm{19489}}^1$

素因数の和:19508

約数の個数: 32

約数和(自身を含む): 29819700

約数和(自身を除く): 17346740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19489, 38978, 77956, 97445, 155912, 194890, 311824, 389780, 623648, 779560, 1247296, 1559120, 2494592, 3118240, 6236480, 12472960]

約数ペア:

[(1, 12472960), (2, 6236480), (4, 3118240), (5, 2494592), (8, 1559120), (10, 1247296), (16, 779560), (20, 623648), (32, 389780), (40, 311824), (64, 194890), (80, 155912), (128, 97445), (160, 77956), (320, 38978), (640, 19489)]