25609870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17909}}^1$

素因数の和:17940

約数の個数: 32

約数和(自身を含む): 54159840

約数和(自身を除く): 28549970

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17909, 35818, 89545, 179090, 196999, 232817, 393998, 465634, 984995, 1164085, 1969990, 2328170, 2560987, 5121974, 12804935, 25609870]

約数ペア:

[(1, 25609870), (2, 12804935), (5, 5121974), (10, 2560987), (11, 2328170), (13, 1969990), (22, 1164085), (26, 984995), (55, 465634), (65, 393998), (110, 232817), (130, 196999), (143, 179090), (286, 89545), (715, 35818), (1430, 17909)]