79801960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{285007}}^1$

素因数の和:285025

約数の個数: 32

約数和(自身を含む): 205205760

約数和(自身を除く): 125403800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 285007, 570014, 1140028, 1425035, 1995049, 2280056, 2850070, 3990098, 5700140, 7980196, 9975245, 11400280, 15960392, 19950490, 39900980, 79801960]

約数ペア:

[(1, 79801960), (2, 39900980), (4, 19950490), (5, 15960392), (7, 11400280), (8, 9975245), (10, 7980196), (14, 5700140), (20, 3990098), (28, 2850070), (35, 2280056), (40, 1995049), (56, 1425035), (70, 1140028), (140, 570014), (280, 285007)]