79886540

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{9533}}^1$

素因数の和:9961

約数の個数: 24

約数和(自身を含む): 168179760

約数和(自身を除く): 88293220

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 9533, 19066, 38132, 47665, 95330, 190660, 3994327, 7988654, 15977308, 19971635, 39943270, 79886540]

約数ペア:

[(1, 79886540), (2, 39943270), (4, 19971635), (5, 15977308), (10, 7988654), (20, 3994327), (419, 190660), (838, 95330), (1676, 47665), (2095, 38132), (4190, 19066), (8380, 9533)]