312135440

素因数分解:

$2^4\times 5^1\times {\mathrm{3901693}}^1$

素因数の和:3901706

約数の個数: 20

約数和(自身を含む): 725715084

約数和(自身を除く): 413579644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3901693, 7803386, 15606772, 19508465, 31213544, 39016930, 62427088, 78033860, 156067720, 312135440]

約数ペア:

[(1, 312135440), (2, 156067720), (4, 78033860), (5, 62427088), (8, 39016930), (10, 31213544), (16, 19508465), (20, 15606772), (40, 7803386), (80, 3901693)]