26900720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 78765792

約数和(自身を除く): 51865072

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 242, 280, 308, 385, 397, 440, 484, 560, 605, 616, 770, 794, 847, 880, 968, 1210, 1232, 1540, 1588, 1694, 1936, 1985, 2420, 2779, 3080, 3176, 3388, 3970, 4235, 4367, 4840, 5558, 6160, 6352, 6776, 7940, 8470, 8734, 9680, 11116, 13552, 13895, 15880, 16940, 17468, 21835, 22232, 27790, 30569, 31760, 33880, 34936, 43670, 44464, 48037, 55580, 61138, 67760, 69872, 87340, 96074, 111160, 122276, 152845, 174680, 192148, 222320, 240185, 244552, 305690, 336259, 349360, 384296, 480370, 489104, 611380, 672518, 768592, 960740, 1222760, 1345036, 1681295, 1921480, 2445520, 2690072, 3362590, 3842960, 5380144, 6725180, 13450360, 26900720]

約数ペア:

[(1, 26900720), (2, 13450360), (4, 6725180), (5, 5380144), (7, 3842960), (8, 3362590), (10, 2690072), (11, 2445520), (14, 1921480), (16, 1681295), (20, 1345036), (22, 1222760), (28, 960740), (35, 768592), (40, 672518), (44, 611380), (55, 489104), (56, 480370), (70, 384296), (77, 349360), (80, 336259), (88, 305690), (110, 244552), (112, 240185), (121, 222320), (140, 192148), (154, 174680), (176, 152845), (220, 122276), (242, 111160), (280, 96074), (308, 87340), (385, 69872), (397, 67760), (440, 61138), (484, 55580), (560, 48037), (605, 44464), (616, 43670), (770, 34936), (794, 33880), (847, 31760), (880, 30569), (968, 27790), (1210, 22232), (1232, 21835), (1540, 17468), (1588, 16940), (1694, 15880), (1936, 13895), (1985, 13552), (2420, 11116), (2779, 9680), (3080, 8734), (3176, 8470), (3388, 7940), (3970, 6776), (4235, 6352), (4367, 6160), (4840, 5558)]