20172334640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1789}}^1\times {\mathrm{8291}}^1$

素因数の和:10110

約数の個数: 80

約数和(自身を含む): 49693292640

約数和(自身を除く): 29520958000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 1789, 3578, 7156, 8291, 8945, 14312, 16582, 17890, 28624, 30413, 33164, 35780, 41455, 60826, 66328, 71560, 82910, 121652, 132656, 140947, 143120, 152065, 165820, 243304, 281894, 304130, 331640, 486608, 563788, 608260, 663280, 704735, 1127576, 1216520, 1409470, 2255152, 2433040, 2818940, 5637880, 11275760, 14832599, 29665198, 59330396, 74162995, 118660792, 148325990, 237321584, 252154183, 296651980, 504308366, 593303960, 1008616732, 1186607920, 1260770915, 2017233464, 2521541830, 4034466928, 5043083660, 10086167320, 20172334640]

約数ペア:

[(1, 20172334640), (2, 10086167320), (4, 5043083660), (5, 4034466928), (8, 2521541830), (10, 2017233464), (16, 1260770915), (17, 1186607920), (20, 1008616732), (34, 593303960), (40, 504308366), (68, 296651980), (80, 252154183), (85, 237321584), (136, 148325990), (170, 118660792), (272, 74162995), (340, 59330396), (680, 29665198), (1360, 14832599), (1789, 11275760), (3578, 5637880), (7156, 2818940), (8291, 2433040), (8945, 2255152), (14312, 1409470), (16582, 1216520), (17890, 1127576), (28624, 704735), (30413, 663280), (33164, 608260), (35780, 563788), (41455, 486608), (60826, 331640), (66328, 304130), (71560, 281894), (82910, 243304), (121652, 165820), (132656, 152065), (140947, 143120)]