65226680

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{16811}}^1$

素因数の和:16919

約数の個数: 32

約数和(自身を含む): 148281840

約数和(自身を除く): 83055160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 16811, 33622, 67244, 84055, 134488, 168110, 336220, 672440, 1630667, 3261334, 6522668, 8153335, 13045336, 16306670, 32613340, 65226680]

約数ペア:

[(1, 65226680), (2, 32613340), (4, 16306670), (5, 13045336), (8, 8153335), (10, 6522668), (20, 3261334), (40, 1630667), (97, 672440), (194, 336220), (388, 168110), (485, 134488), (776, 84055), (970, 67244), (1940, 33622), (3880, 16811)]