26820980

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2909}}^1$

素因数の和:3379

約数の個数: 24

約数和(自身を含む): 56465640

約数和(自身を除く): 29644660

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 2909, 4610, 5818, 9220, 11636, 14545, 29090, 58180, 1341049, 2682098, 5364196, 6705245, 13410490, 26820980]

約数ペア:

[(1, 26820980), (2, 13410490), (4, 6705245), (5, 5364196), (10, 2682098), (20, 1341049), (461, 58180), (922, 29090), (1844, 14545), (2305, 11636), (2909, 9220), (4610, 5818)]