12135440

素因数分解:

$2^4\times 5^1\times {\mathrm{151693}}^1$

素因数の和:151706

約数の個数: 20

約数和(自身を含む): 28215084

約数和(自身を除く): 16079644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151693, 303386, 606772, 758465, 1213544, 1516930, 2427088, 3033860, 6067720, 12135440]

約数ペア:

[(1, 12135440), (2, 6067720), (4, 3033860), (5, 2427088), (8, 1516930), (10, 1213544), (16, 758465), (20, 606772), (40, 303386), (80, 151693)]