7642540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2917}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 16177392

約数和(自身を除く): 8534852

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 2917, 5834, 11668, 14585, 29170, 58340, 382127, 764254, 1528508, 1910635, 3821270, 7642540]

約数ペア:

[(1, 7642540), (2, 3821270), (4, 1910635), (5, 1528508), (10, 764254), (20, 382127), (131, 58340), (262, 29170), (524, 14585), (655, 11668), (1310, 5834), (2620, 2917)]