79877260

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{10267}}^1$

素因数の和:10665

約数の個数: 24

約数和(自身を含む): 168189840

約数和(自身を除く): 88312580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 10267, 20534, 41068, 51335, 102670, 205340, 3993863, 7987726, 15975452, 19969315, 39938630, 79877260]

約数ペア:

[(1, 79877260), (2, 39938630), (4, 19969315), (5, 15975452), (10, 7987726), (20, 3993863), (389, 205340), (778, 102670), (1556, 51335), (1945, 41068), (3890, 20534), (7780, 10267)]