63568840

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{1291}}^1$

素因数の和:2533

約数の個数: 32

約数和(自身を含む): 143256960

約数和(自身を除く): 79688120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 1291, 2462, 2582, 4924, 5164, 6155, 6455, 9848, 10328, 12310, 12910, 24620, 25820, 49240, 51640, 1589221, 3178442, 6356884, 7946105, 12713768, 15892210, 31784420, 63568840]

約数ペア:

[(1, 63568840), (2, 31784420), (4, 15892210), (5, 12713768), (8, 7946105), (10, 6356884), (20, 3178442), (40, 1589221), (1231, 51640), (1291, 49240), (2462, 25820), (2582, 24620), (4924, 12910), (5164, 12310), (6155, 10328), (6455, 9848)]