66682460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256471}}^1$

素因数の和:256493

約数の個数: 24

約数和(自身を含む): 150805536

約数和(自身を除く): 84123076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 256471, 512942, 1025884, 1282355, 2564710, 3334123, 5129420, 6668246, 13336492, 16670615, 33341230, 66682460]

約数ペア:

[(1, 66682460), (2, 33341230), (4, 16670615), (5, 13336492), (10, 6668246), (13, 5129420), (20, 3334123), (26, 2564710), (52, 1282355), (65, 1025884), (130, 512942), (260, 256471)]