66040780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{254003}}^1$

素因数の和:254025

約数の個数: 24

約数和(自身を含む): 149354352

約数和(自身を除く): 83313572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 254003, 508006, 1016012, 1270015, 2540030, 3302039, 5080060, 6604078, 13208156, 16510195, 33020390, 66040780]

約数ペア:

[(1, 66040780), (2, 33020390), (4, 16510195), (5, 13208156), (10, 6604078), (13, 5080060), (20, 3302039), (26, 2540030), (52, 1270015), (65, 1016012), (130, 508006), (260, 254003)]