66503860

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{7213}}^1$

素因数の和:7683

約数の個数: 24

約数和(自身を含む): 139980456

約数和(自身を除く): 73476596

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 7213, 9220, 14426, 28852, 36065, 72130, 144260, 3325193, 6650386, 13300772, 16625965, 33251930, 66503860]

約数ペア:

[(1, 66503860), (2, 33251930), (4, 16625965), (5, 13300772), (10, 6650386), (20, 3325193), (461, 144260), (922, 72130), (1844, 36065), (2305, 28852), (4610, 14426), (7213, 9220)]