26165720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 48483880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 34, 35, 40, 46, 56, 68, 70, 85, 92, 115, 119, 136, 140, 161, 170, 184, 230, 238, 239, 280, 322, 340, 391, 460, 476, 478, 595, 644, 680, 782, 805, 920, 952, 956, 1190, 1195, 1288, 1564, 1610, 1673, 1912, 1955, 2380, 2390, 2737, 3128, 3220, 3346, 3910, 4063, 4760, 4780, 5474, 5497, 6440, 6692, 7820, 8126, 8365, 9560, 10948, 10994, 13384, 13685, 15640, 16252, 16730, 20315, 21896, 21988, 27370, 27485, 28441, 32504, 33460, 38479, 40630, 43976, 54740, 54970, 56882, 66920, 76958, 81260, 93449, 109480, 109940, 113764, 142205, 153916, 162520, 186898, 192395, 219880, 227528, 284410, 307832, 373796, 384790, 467245, 568820, 654143, 747592, 769580, 934490, 1137640, 1308286, 1539160, 1868980, 2616572, 3270715, 3737960, 5233144, 6541430, 13082860, 26165720]

約数ペア:

[(1, 26165720), (2, 13082860), (4, 6541430), (5, 5233144), (7, 3737960), (8, 3270715), (10, 2616572), (14, 1868980), (17, 1539160), (20, 1308286), (23, 1137640), (28, 934490), (34, 769580), (35, 747592), (40, 654143), (46, 568820), (56, 467245), (68, 384790), (70, 373796), (85, 307832), (92, 284410), (115, 227528), (119, 219880), (136, 192395), (140, 186898), (161, 162520), (170, 153916), (184, 142205), (230, 113764), (238, 109940), (239, 109480), (280, 93449), (322, 81260), (340, 76958), (391, 66920), (460, 56882), (476, 54970), (478, 54740), (595, 43976), (644, 40630), (680, 38479), (782, 33460), (805, 32504), (920, 28441), (952, 27485), (956, 27370), (1190, 21988), (1195, 21896), (1288, 20315), (1564, 16730), (1610, 16252), (1673, 15640), (1912, 13685), (1955, 13384), (2380, 10994), (2390, 10948), (2737, 9560), (3128, 8365), (3220, 8126), (3346, 7820), (3910, 6692), (4063, 6440), (4760, 5497), (4780, 5474)]