130806040

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{18269}}^1$

素因数の和:18459

約数の個数: 32

約数和(自身を含む): 295974000

約数和(自身を除く): 165167960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 18269, 36538, 73076, 91345, 146152, 182690, 365380, 730760, 3270151, 6540302, 13080604, 16350755, 26161208, 32701510, 65403020, 130806040]

約数ペア:

[(1, 130806040), (2, 65403020), (4, 32701510), (5, 26161208), (8, 16350755), (10, 13080604), (20, 6540302), (40, 3270151), (179, 730760), (358, 365380), (716, 182690), (895, 146152), (1432, 91345), (1790, 73076), (3580, 36538), (7160, 18269)]