77882675540

素因数分解:

$2^2\times 5^1\times {\mathrm{2447}}^1\times {\mathrm{1591391}}^1$

素因数の和:1593847

約数の個数: 24

約数和(自身を含む): 163620559872

約数和(自身を除く): 85737884332

約数列:

[1, 2, 4, 5, 10, 20, 2447, 4894, 9788, 12235, 24470, 48940, 1591391, 3182782, 6365564, 7956955, 15913910, 31827820, 3894133777, 7788267554, 15576535108, 19470668885, 38941337770, 77882675540]

約数ペア:

[(1, 77882675540), (2, 38941337770), (4, 19470668885), (5, 15576535108), (10, 7788267554), (20, 3894133777), (2447, 31827820), (4894, 15913910), (9788, 7956955), (12235, 6365564), (24470, 3182782), (48940, 1591391)]