42642860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164011}}^1$

素因数の和:164033

約数の個数: 24

約数和(自身を含む): 96439056

約数和(自身を除く): 53796196

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164011, 328022, 656044, 820055, 1640110, 2132143, 3280220, 4264286, 8528572, 10660715, 21321430, 42642860]

約数ペア:

[(1, 42642860), (2, 21321430), (4, 10660715), (5, 8528572), (10, 4264286), (13, 3280220), (20, 2132143), (26, 1640110), (52, 820055), (65, 656044), (130, 328022), (260, 164011)]