40558856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389989}}^1$

素因数の和:390008

約数の個数: 16

約数和(自身を含む): 81897900

約数和(自身を除く): 41339044

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389989, 779978, 1559956, 3119912, 5069857, 10139714, 20279428, 40558856]

約数ペア:

[(1, 40558856), (2, 20279428), (4, 10139714), (8, 5069857), (13, 3119912), (26, 1559956), (52, 779978), (104, 389989)]