64206080

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{487}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 155605632

約数和(自身を除く): 91399552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 487, 515, 640, 824, 974, 1030, 1280, 1648, 1948, 2060, 2435, 3296, 3896, 4120, 4870, 6592, 7792, 8240, 9740, 13184, 15584, 16480, 19480, 26368, 31168, 32960, 38960, 50161, 62336, 65920, 77920, 100322, 124672, 131840, 155840, 200644, 250805, 311680, 401288, 501610, 623360, 802576, 1003220, 1605152, 2006440, 3210304, 4012880, 6420608, 8025760, 12841216, 16051520, 32103040, 64206080]

約数ペア:

[(1, 64206080), (2, 32103040), (4, 16051520), (5, 12841216), (8, 8025760), (10, 6420608), (16, 4012880), (20, 3210304), (32, 2006440), (40, 1605152), (64, 1003220), (80, 802576), (103, 623360), (128, 501610), (160, 401288), (206, 311680), (256, 250805), (320, 200644), (412, 155840), (487, 131840), (515, 124672), (640, 100322), (824, 77920), (974, 65920), (1030, 62336), (1280, 50161), (1648, 38960), (1948, 32960), (2060, 31168), (2435, 26368), (3296, 19480), (3896, 16480), (4120, 15584), (4870, 13184), (6592, 9740), (7792, 8240)]