2051886173860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15497}}^1\times {\mathrm{108529}}^1$

素因数の和:124096

約数の個数: 48

約数和(自身を含む): 4379922635760

約数和(自身を除く): 2328036461900

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15497, 30994, 61988, 77485, 108529, 154970, 217058, 309940, 434116, 542645, 945317, 1085290, 1890634, 2170580, 3781268, 4726585, 6620269, 9453170, 13240538, 18906340, 26481076, 33101345, 66202690, 132405380, 1681873913, 3363747826, 6727495652, 8409369565, 16818739130, 33637478260, 102594308693, 205188617386, 410377234772, 512971543465, 1025943086930, 2051886173860]

約数ペア:

[(1, 2051886173860), (2, 1025943086930), (4, 512971543465), (5, 410377234772), (10, 205188617386), (20, 102594308693), (61, 33637478260), (122, 16818739130), (244, 8409369565), (305, 6727495652), (610, 3363747826), (1220, 1681873913), (15497, 132405380), (30994, 66202690), (61988, 33101345), (77485, 26481076), (108529, 18906340), (154970, 13240538), (217058, 9453170), (309940, 6620269), (434116, 4726585), (542645, 3781268), (945317, 2170580), (1085290, 1890634)]