87842540

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{2129}}^1$

素因数の和:4201

約数の個数: 24

約数和(自身を含む): 184645440

約数和(自身を除く): 96802900

約数列:

[1, 2, 4, 5, 10, 20, 2063, 2129, 4126, 4258, 8252, 8516, 10315, 10645, 20630, 21290, 41260, 42580, 4392127, 8784254, 17568508, 21960635, 43921270, 87842540]

約数ペア:

[(1, 87842540), (2, 43921270), (4, 21960635), (5, 17568508), (10, 8784254), (20, 4392127), (2063, 42580), (2129, 41260), (4126, 21290), (4258, 20630), (8252, 10645), (8516, 10315)]