52181980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137321}}^1$

素因数の和:137349

約数の個数: 24

約数和(自身を含む): 115350480

約数和(自身を除く): 63168500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 137321, 274642, 549284, 686605, 1373210, 2609099, 2746420, 5218198, 10436396, 13045495, 26090990, 52181980]

約数ペア:

[(1, 52181980), (2, 26090990), (4, 13045495), (5, 10436396), (10, 5218198), (19, 2746420), (20, 2609099), (38, 1373210), (76, 686605), (95, 549284), (190, 274642), (380, 137321)]