79813540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41141}}^1$

素因数の和:41247

約数の個数: 24

約数和(自身を含む): 169340472

約数和(自身を除く): 89526932

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 41141, 82282, 164564, 205705, 411410, 822820, 3990677, 7981354, 15962708, 19953385, 39906770, 79813540]

約数ペア:

[(1, 79813540), (2, 39906770), (4, 19953385), (5, 15962708), (10, 7981354), (20, 3990677), (97, 822820), (194, 411410), (388, 205705), (485, 164564), (970, 82282), (1940, 41141)]