22487140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6653}}^1$

素因数の和:6688

約数の個数: 36

約数和(自身を含む): 51142644

約数和(自身を除く): 28655504

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 6653, 13306, 26612, 33265, 66530, 86489, 133060, 172978, 345956, 432445, 864890, 1124357, 1729780, 2248714, 4497428, 5621785, 11243570, 22487140]

約数ペア:

[(1, 22487140), (2, 11243570), (4, 5621785), (5, 4497428), (10, 2248714), (13, 1729780), (20, 1124357), (26, 864890), (52, 432445), (65, 345956), (130, 172978), (169, 133060), (260, 86489), (338, 66530), (676, 33265), (845, 26612), (1690, 13306), (3380, 6653)]