66551480

素因数分解:

$2^3\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2741}}^1$

素因数の和:3359

約数の個数: 32

約数和(自身を含む): 150042240

約数和(自身を除く): 83490760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 607, 1214, 2428, 2741, 3035, 4856, 5482, 6070, 10964, 12140, 13705, 21928, 24280, 27410, 54820, 109640, 1663787, 3327574, 6655148, 8318935, 13310296, 16637870, 33275740, 66551480]

約数ペア:

[(1, 66551480), (2, 33275740), (4, 16637870), (5, 13310296), (8, 8318935), (10, 6655148), (20, 3327574), (40, 1663787), (607, 109640), (1214, 54820), (2428, 27410), (2741, 24280), (3035, 21928), (4856, 13705), (5482, 12140), (6070, 10964)]