212213732560

素因数分解:

$2^4\times 5^1\times {\mathrm{2652671657}}^1$

素因数の和:2652671670

約数の個数: 20

約数和(自身を含む): 493396928388

約数和(自身を除く): 281183195828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2652671657, 5305343314, 10610686628, 13263358285, 21221373256, 26526716570, 42442746512, 53053433140, 106106866280, 212213732560]

約数ペア:

[(1, 212213732560), (2, 106106866280), (4, 53053433140), (5, 42442746512), (8, 26526716570), (10, 21221373256), (16, 13263358285), (20, 10610686628), (40, 5305343314), (80, 2652671657)]