2116731280

素因数分解:

$2^4\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{21529}}^1$

素因数の和:22771

約数の個数: 40

約数和(自身を含む): 4925633400

約数和(自身を除く): 2808902120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1229, 2458, 4916, 6145, 9832, 12290, 19664, 21529, 24580, 43058, 49160, 86116, 98320, 107645, 172232, 215290, 344464, 430580, 861160, 1722320, 26459141, 52918282, 105836564, 132295705, 211673128, 264591410, 423346256, 529182820, 1058365640, 2116731280]

約数ペア:

[(1, 2116731280), (2, 1058365640), (4, 529182820), (5, 423346256), (8, 264591410), (10, 211673128), (16, 132295705), (20, 105836564), (40, 52918282), (80, 26459141), (1229, 1722320), (2458, 861160), (4916, 430580), (6145, 344464), (9832, 215290), (12290, 172232), (19664, 107645), (21529, 98320), (24580, 86116), (43058, 49160)]