66568640

素因数分解:

$2^6\times 5^1\times {\mathrm{277}}^1\times {\mathrm{751}}^1$

素因数の和:1045

約数の個数: 56

約数和(自身を含む): 159300672

約数和(自身を除く): 92732032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 277, 320, 554, 751, 1108, 1385, 1502, 2216, 2770, 3004, 3755, 4432, 5540, 6008, 7510, 8864, 11080, 12016, 15020, 17728, 22160, 24032, 30040, 44320, 48064, 60080, 88640, 120160, 208027, 240320, 416054, 832108, 1040135, 1664216, 2080270, 3328432, 4160540, 6656864, 8321080, 13313728, 16642160, 33284320, 66568640]

約数ペア:

[(1, 66568640), (2, 33284320), (4, 16642160), (5, 13313728), (8, 8321080), (10, 6656864), (16, 4160540), (20, 3328432), (32, 2080270), (40, 1664216), (64, 1040135), (80, 832108), (160, 416054), (277, 240320), (320, 208027), (554, 120160), (751, 88640), (1108, 60080), (1385, 48064), (1502, 44320), (2216, 30040), (2770, 24032), (3004, 22160), (3755, 17728), (4432, 15020), (5540, 12016), (6008, 11080), (7510, 8864)]