55697560

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{1621}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 125542800

約数和(自身を除く): 69845240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1621, 1718, 3242, 3436, 4295, 6484, 6872, 8105, 8590, 12968, 16210, 17180, 32420, 34360, 64840, 1392439, 2784878, 5569756, 6962195, 11139512, 13924390, 27848780, 55697560]

約数ペア:

[(1, 55697560), (2, 27848780), (4, 13924390), (5, 11139512), (8, 6962195), (10, 5569756), (20, 2784878), (40, 1392439), (859, 64840), (1621, 34360), (1718, 32420), (3242, 17180), (3436, 16210), (4295, 12968), (6484, 8590), (6872, 8105)]