312204560

素因数分解:

$2^4\times 5^1\times {\mathrm{3902557}}^1$

素因数の和:3902570

約数の個数: 20

約数和(自身を含む): 725875788

約数和(自身を除く): 413671228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3902557, 7805114, 15610228, 19512785, 31220456, 39025570, 62440912, 78051140, 156102280, 312204560]

約数ペア:

[(1, 312204560), (2, 156102280), (4, 78051140), (5, 62440912), (8, 39025570), (10, 31220456), (16, 19512785), (20, 15610228), (40, 7805114), (80, 3902557)]