142746440

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3271}}^1$

素因数の和:4373

約数の個数: 32

約数和(自身を含む): 321572160

約数和(自身を除く): 178825720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 3271, 4364, 5455, 6542, 8728, 10910, 13084, 16355, 21820, 26168, 32710, 43640, 65420, 130840, 3568661, 7137322, 14274644, 17843305, 28549288, 35686610, 71373220, 142746440]

約数ペア:

[(1, 142746440), (2, 71373220), (4, 35686610), (5, 28549288), (8, 17843305), (10, 14274644), (20, 7137322), (40, 3568661), (1091, 130840), (2182, 65420), (3271, 43640), (4364, 32710), (5455, 26168), (6542, 21820), (8728, 16355), (10910, 13084)]