78288520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10141}}^1$

素因数の和:10345

約数の個数: 32

約数和(自身を含む): 177079320

約数和(自身を除く): 98790800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 10141, 20282, 40564, 50705, 81128, 101410, 202820, 405640, 1957213, 3914426, 7828852, 9786065, 15657704, 19572130, 39144260, 78288520]

約数ペア:

[(1, 78288520), (2, 39144260), (4, 19572130), (5, 15657704), (8, 9786065), (10, 7828852), (20, 3914426), (40, 1957213), (193, 405640), (386, 202820), (772, 101410), (965, 81128), (1544, 50705), (1930, 40564), (3860, 20282), (7720, 10141)]