79965400

素因数分解:

$2^3\times 5^2\times {\mathrm{487}}^1\times {\mathrm{821}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 186528240

約数和(自身を除く): 106562840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 487, 821, 974, 1642, 1948, 2435, 3284, 3896, 4105, 4870, 6568, 8210, 9740, 12175, 16420, 19480, 20525, 24350, 32840, 41050, 48700, 82100, 97400, 164200, 399827, 799654, 1599308, 1999135, 3198616, 3998270, 7996540, 9995675, 15993080, 19991350, 39982700, 79965400]

約数ペア:

[(1, 79965400), (2, 39982700), (4, 19991350), (5, 15993080), (8, 9995675), (10, 7996540), (20, 3998270), (25, 3198616), (40, 1999135), (50, 1599308), (100, 799654), (200, 399827), (487, 164200), (821, 97400), (974, 82100), (1642, 48700), (1948, 41050), (2435, 32840), (3284, 24350), (3896, 20525), (4105, 19480), (4870, 16420), (6568, 12175), (8210, 9740)]