86660720

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7907}}^1$

素因数の和:8057

約数の個数: 40

約数和(自身を含む): 202982544

約数和(自身を除く): 116321824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 7907, 10960, 15814, 31628, 39535, 63256, 79070, 126512, 158140, 316280, 632560, 1083259, 2166518, 4333036, 5416295, 8666072, 10832590, 17332144, 21665180, 43330360, 86660720]

約数ペア:

[(1, 86660720), (2, 43330360), (4, 21665180), (5, 17332144), (8, 10832590), (10, 8666072), (16, 5416295), (20, 4333036), (40, 2166518), (80, 1083259), (137, 632560), (274, 316280), (548, 158140), (685, 126512), (1096, 79070), (1370, 63256), (2192, 39535), (2740, 31628), (5480, 15814), (7907, 10960)]