27945156980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1$

素因数の和:1449

約数の個数: 96

約数和(自身を含む): 63598832640

約数和(自身を除く): 35653675660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 457, 479, 491, 914, 958, 982, 1828, 1916, 1964, 2285, 2395, 2455, 4570, 4790, 4910, 5941, 6227, 6383, 9140, 9580, 9820, 11882, 12454, 12766, 23764, 24908, 25532, 29705, 31135, 31915, 59410, 62270, 63830, 118820, 124540, 127660, 218903, 224387, 235189, 437806, 448774, 470378, 875612, 897548, 940756, 1094515, 1121935, 1175945, 2189030, 2243870, 2351890, 2845739, 2917031, 3057457, 4378060, 4487740, 4703780, 5691478, 5834062, 6114914, 11382956, 11668124, 12229828, 14228695, 14585155, 15287285, 28457390, 29170310, 30574570, 56914780, 58340620, 61149140, 107481373, 214962746, 429925492, 537406865, 1074813730, 1397257849, 2149627460, 2794515698, 5589031396, 6986289245, 13972578490, 27945156980]

約数ペア:

[(1, 27945156980), (2, 13972578490), (4, 6986289245), (5, 5589031396), (10, 2794515698), (13, 2149627460), (20, 1397257849), (26, 1074813730), (52, 537406865), (65, 429925492), (130, 214962746), (260, 107481373), (457, 61149140), (479, 58340620), (491, 56914780), (914, 30574570), (958, 29170310), (982, 28457390), (1828, 15287285), (1916, 14585155), (1964, 14228695), (2285, 12229828), (2395, 11668124), (2455, 11382956), (4570, 6114914), (4790, 5834062), (4910, 5691478), (5941, 4703780), (6227, 4487740), (6383, 4378060), (9140, 3057457), (9580, 2917031), (9820, 2845739), (11882, 2351890), (12454, 2243870), (12766, 2189030), (23764, 1175945), (24908, 1121935), (25532, 1094515), (29705, 940756), (31135, 897548), (31915, 875612), (59410, 470378), (62270, 448774), (63830, 437806), (118820, 235189), (124540, 224387), (127660, 218903)]