84705080

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{4049}}^1$

素因数の和:4583

約数の個数: 32

約数和(自身を含む): 190998000

約数和(自身を除く): 106292920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 4049, 4184, 5230, 8098, 10460, 16196, 20245, 20920, 32392, 40490, 80980, 161960, 2117627, 4235254, 8470508, 10588135, 16941016, 21176270, 42352540, 84705080]

約数ペア:

[(1, 84705080), (2, 42352540), (4, 21176270), (5, 16941016), (8, 10588135), (10, 8470508), (20, 4235254), (40, 2117627), (523, 161960), (1046, 80980), (2092, 40490), (2615, 32392), (4049, 20920), (4184, 20245), (5230, 16196), (8098, 10460)]