78037880

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11969}}^1$

素因数の和:12143

約数の個数: 32

約数和(自身を含む): 176677200

約数和(自身を除く): 98639320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 11969, 23938, 47876, 59845, 95752, 119690, 239380, 478760, 1950947, 3901894, 7803788, 9754735, 15607576, 19509470, 39018940, 78037880]

約数ペア:

[(1, 78037880), (2, 39018940), (4, 19509470), (5, 15607576), (8, 9754735), (10, 7803788), (20, 3901894), (40, 1950947), (163, 478760), (326, 239380), (652, 119690), (815, 95752), (1304, 59845), (1630, 47876), (3260, 23938), (6520, 11969)]