86564560

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1637}}^1$

素因数の和:2311

約数の個数: 40

約数和(自身を含む): 201690216

約数和(自身を除く): 115125656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 1637, 2644, 3274, 3305, 5288, 6548, 6610, 8185, 10576, 13096, 13220, 16370, 26192, 26440, 32740, 52880, 65480, 130960, 1082057, 2164114, 4328228, 5410285, 8656456, 10820570, 17312912, 21641140, 43282280, 86564560]

約数ペア:

[(1, 86564560), (2, 43282280), (4, 21641140), (5, 17312912), (8, 10820570), (10, 8656456), (16, 5410285), (20, 4328228), (40, 2164114), (80, 1082057), (661, 130960), (1322, 65480), (1637, 52880), (2644, 32740), (3274, 26440), (3305, 26192), (5288, 16370), (6548, 13220), (6610, 13096), (8185, 10576)]