66227540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 147100800

約数和(自身を除く): 80873260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 397, 439, 794, 878, 1588, 1756, 1985, 2195, 3970, 4390, 7543, 7940, 8341, 8780, 15086, 16682, 30172, 33364, 37715, 41705, 75430, 83410, 150860, 166820, 174283, 348566, 697132, 871415, 1742830, 3311377, 3485660, 6622754, 13245508, 16556885, 33113770, 66227540]

約数ペア:

[(1, 66227540), (2, 33113770), (4, 16556885), (5, 13245508), (10, 6622754), (19, 3485660), (20, 3311377), (38, 1742830), (76, 871415), (95, 697132), (190, 348566), (380, 174283), (397, 166820), (439, 150860), (794, 83410), (878, 75430), (1588, 41705), (1756, 37715), (1985, 33364), (2195, 30172), (3970, 16682), (4390, 15086), (7543, 8780), (7940, 8341)]