31738940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21739}}^1$

素因数の和:21821

約数の個数: 24

約数和(自身を含む): 67567920

約数和(自身を除く): 35828980

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21739, 43478, 86956, 108695, 217390, 434780, 1586947, 3173894, 6347788, 7934735, 15869470, 31738940]

約数ペア:

[(1, 31738940), (2, 15869470), (4, 7934735), (5, 6347788), (10, 3173894), (20, 1586947), (73, 434780), (146, 217390), (292, 108695), (365, 86956), (730, 43478), (1460, 21739)]