81520090

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{1621}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 151352064

約数和(自身を除く): 69831974

約数列:

[1, 2, 5, 10, 47, 94, 107, 214, 235, 470, 535, 1070, 1621, 3242, 5029, 8105, 10058, 16210, 25145, 50290, 76187, 152374, 173447, 346894, 380935, 761870, 867235, 1734470, 8152009, 16304018, 40760045, 81520090]

約数ペア:

[(1, 81520090), (2, 40760045), (5, 16304018), (10, 8152009), (47, 1734470), (94, 867235), (107, 761870), (214, 380935), (235, 346894), (470, 173447), (535, 152374), (1070, 76187), (1621, 50290), (3242, 25145), (5029, 16210), (8105, 10058)]