8665760

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 20988072

約数和(自身を除く): 12322312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1321, 1640, 2642, 3280, 5284, 6560, 6605, 10568, 13210, 21136, 26420, 42272, 52840, 54161, 105680, 108322, 211360, 216644, 270805, 433288, 541610, 866576, 1083220, 1733152, 2166440, 4332880, 8665760]

約数ペア:

[(1, 8665760), (2, 4332880), (4, 2166440), (5, 1733152), (8, 1083220), (10, 866576), (16, 541610), (20, 433288), (32, 270805), (40, 216644), (41, 211360), (80, 108322), (82, 105680), (160, 54161), (164, 52840), (205, 42272), (328, 26420), (410, 21136), (656, 13210), (820, 10568), (1312, 6605), (1321, 6560), (1640, 5284), (2642, 3280)]