87386380

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{4409}}^1$

素因数の和:5409

約数の個数: 24

約数和(自身を含む): 183738240

約数和(自身を除く): 96351860

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4409, 4955, 8818, 9910, 17636, 19820, 22045, 44090, 88180, 4369319, 8738638, 17477276, 21846595, 43693190, 87386380]

約数ペア:

[(1, 87386380), (2, 43693190), (4, 21846595), (5, 17477276), (10, 8738638), (20, 4369319), (991, 88180), (1982, 44090), (3964, 22045), (4409, 19820), (4955, 17636), (8818, 9910)]