26487580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1381}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 64080576

約数和(自身を除く): 37592996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1381, 1918, 2740, 2762, 3836, 4795, 5524, 6905, 9590, 9667, 13810, 19180, 19334, 27620, 38668, 48335, 96670, 189197, 193340, 378394, 756788, 945985, 1324379, 1891970, 2648758, 3783940, 5297516, 6621895, 13243790, 26487580]

約数ペア:

[(1, 26487580), (2, 13243790), (4, 6621895), (5, 5297516), (7, 3783940), (10, 2648758), (14, 1891970), (20, 1324379), (28, 945985), (35, 756788), (70, 378394), (137, 193340), (140, 189197), (274, 96670), (548, 48335), (685, 38668), (959, 27620), (1370, 19334), (1381, 19180), (1918, 13810), (2740, 9667), (2762, 9590), (3836, 6905), (4795, 5524)]