64559180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3631}}^1$

素因数の和:3774

約数の個数: 48

約数和(自身を含む): 156205056

約数和(自身を除く): 91645876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 3631, 4445, 7262, 8890, 14524, 17780, 18155, 25417, 36310, 50834, 72620, 101668, 127085, 254170, 461137, 508340, 922274, 1844548, 2305685, 3227959, 4611370, 6455918, 9222740, 12911836, 16139795, 32279590, 64559180]

約数ペア:

[(1, 64559180), (2, 32279590), (4, 16139795), (5, 12911836), (7, 9222740), (10, 6455918), (14, 4611370), (20, 3227959), (28, 2305685), (35, 1844548), (70, 922274), (127, 508340), (140, 461137), (254, 254170), (508, 127085), (635, 101668), (889, 72620), (1270, 50834), (1778, 36310), (2540, 25417), (3556, 18155), (3631, 17780), (4445, 14524), (7262, 8890)]