42756740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164449}}^1$

素因数の和:164471

約数の個数: 24

約数和(自身を含む): 96696600

約数和(自身を除く): 53939860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164449, 328898, 657796, 822245, 1644490, 2137837, 3288980, 4275674, 8551348, 10689185, 21378370, 42756740]

約数ペア:

[(1, 42756740), (2, 21378370), (4, 10689185), (5, 8551348), (10, 4275674), (13, 3288980), (20, 2137837), (26, 1644490), (52, 822245), (65, 657796), (130, 328898), (260, 164449)]