27985880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53819}}^1$

素因数の和:53843

約数の個数: 32

約数和(自身を含む): 67813200

約数和(自身を除く): 39827320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 53819, 107638, 215276, 269095, 430552, 538190, 699647, 1076380, 1399294, 2152760, 2798588, 3498235, 5597176, 6996470, 13992940, 27985880]

約数ペア:

[(1, 27985880), (2, 13992940), (4, 6996470), (5, 5597176), (8, 3498235), (10, 2798588), (13, 2152760), (20, 1399294), (26, 1076380), (40, 699647), (52, 538190), (65, 430552), (104, 269095), (130, 215276), (260, 107638), (520, 53819)]