38458640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:201

約数の個数: 120

約数和(自身を含む): 102415320

約数和(自身を除く): 63956680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 121, 137, 145, 176, 220, 232, 242, 274, 290, 319, 440, 464, 484, 548, 580, 605, 638, 685, 880, 968, 1096, 1160, 1210, 1276, 1370, 1507, 1595, 1936, 2192, 2320, 2420, 2552, 2740, 3014, 3190, 3509, 3973, 4840, 5104, 5480, 6028, 6380, 7018, 7535, 7946, 9680, 10960, 12056, 12760, 14036, 15070, 15892, 16577, 17545, 19865, 24112, 25520, 28072, 30140, 31784, 33154, 35090, 39730, 43703, 56144, 60280, 63568, 66308, 70180, 79460, 82885, 87406, 120560, 132616, 140360, 158920, 165770, 174812, 218515, 265232, 280720, 317840, 331540, 349624, 437030, 480733, 663080, 699248, 874060, 961466, 1326160, 1748120, 1922932, 2403665, 3496240, 3845864, 4807330, 7691728, 9614660, 19229320, 38458640]

約数ペア:

[(1, 38458640), (2, 19229320), (4, 9614660), (5, 7691728), (8, 4807330), (10, 3845864), (11, 3496240), (16, 2403665), (20, 1922932), (22, 1748120), (29, 1326160), (40, 961466), (44, 874060), (55, 699248), (58, 663080), (80, 480733), (88, 437030), (110, 349624), (116, 331540), (121, 317840), (137, 280720), (145, 265232), (176, 218515), (220, 174812), (232, 165770), (242, 158920), (274, 140360), (290, 132616), (319, 120560), (440, 87406), (464, 82885), (484, 79460), (548, 70180), (580, 66308), (605, 63568), (638, 60280), (685, 56144), (880, 43703), (968, 39730), (1096, 35090), (1160, 33154), (1210, 31784), (1276, 30140), (1370, 28072), (1507, 25520), (1595, 24112), (1936, 19865), (2192, 17545), (2320, 16577), (2420, 15892), (2552, 15070), (2740, 14036), (3014, 12760), (3190, 12056), (3509, 10960), (3973, 9680), (4840, 7946), (5104, 7535), (5480, 7018), (6028, 6380)]