65390260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251501}}^1$

素因数の和:251523

約数の個数: 24

約数和(自身を含む): 147883176

約数和(自身を除く): 82492916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 251501, 503002, 1006004, 1257505, 2515010, 3269513, 5030020, 6539026, 13078052, 16347565, 32695130, 65390260]

約数ペア:

[(1, 65390260), (2, 32695130), (4, 16347565), (5, 13078052), (10, 6539026), (13, 5030020), (20, 3269513), (26, 2515010), (52, 1257505), (65, 1006004), (130, 503002), (260, 251501)]