520016427820

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{33967}}^1\times {\mathrm{5507}}^1$

素因数の和:39622

約数の個数: 48

約数和(自身を含む): 1100122974720

約数和(自身を除く): 580106546900

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 5507, 11014, 22028, 27535, 33967, 55070, 67934, 110140, 135868, 169835, 339670, 679340, 765473, 1530946, 3061892, 3827365, 4721413, 7654730, 9442826, 15309460, 18885652, 23607065, 47214130, 94428260, 187056269, 374112538, 748225076, 935281345, 1870562690, 3741125380, 26000821391, 52001642782, 104003285564, 130004106955, 260008213910, 520016427820]

約数ペア:

[(1, 520016427820), (2, 260008213910), (4, 130004106955), (5, 104003285564), (10, 52001642782), (20, 26000821391), (139, 3741125380), (278, 1870562690), (556, 935281345), (695, 748225076), (1390, 374112538), (2780, 187056269), (5507, 94428260), (11014, 47214130), (22028, 23607065), (27535, 18885652), (33967, 15309460), (55070, 9442826), (67934, 7654730), (110140, 4721413), (135868, 3827365), (169835, 3061892), (339670, 1530946), (679340, 765473)]