155990320

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10103}}^1$

素因数の和:10309

約数の個数: 40

約数和(自身を含む): 364592736

約数和(自身を除く): 208602416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 10103, 15440, 20206, 40412, 50515, 80824, 101030, 161648, 202060, 404120, 808240, 1949879, 3899758, 7799516, 9749395, 15599032, 19498790, 31198064, 38997580, 77995160, 155990320]

約数ペア:

[(1, 155990320), (2, 77995160), (4, 38997580), (5, 31198064), (8, 19498790), (10, 15599032), (16, 9749395), (20, 7799516), (40, 3899758), (80, 1949879), (193, 808240), (386, 404120), (772, 202060), (965, 161648), (1544, 101030), (1930, 80824), (3088, 50515), (3860, 40412), (7720, 20206), (10103, 15440)]