8857620080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{28123}}^1$

素因数の和:28294

約数の個数: 80

約数和(自身を含む): 21426438144

約数和(自身を除く): 12568818064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 127, 155, 248, 254, 310, 496, 508, 620, 635, 1016, 1240, 1270, 2032, 2480, 2540, 3937, 5080, 7874, 10160, 15748, 19685, 28123, 31496, 39370, 56246, 62992, 78740, 112492, 140615, 157480, 224984, 281230, 314960, 449968, 562460, 871813, 1124920, 1743626, 2249840, 3487252, 3571621, 4359065, 6974504, 7143242, 8718130, 13949008, 14286484, 17436260, 17858105, 28572968, 34872520, 35716210, 57145936, 69745040, 71432420, 110720251, 142864840, 221440502, 285729680, 442881004, 553601255, 885762008, 1107202510, 1771524016, 2214405020, 4428810040, 8857620080]

約数ペア:

[(1, 8857620080), (2, 4428810040), (4, 2214405020), (5, 1771524016), (8, 1107202510), (10, 885762008), (16, 553601255), (20, 442881004), (31, 285729680), (40, 221440502), (62, 142864840), (80, 110720251), (124, 71432420), (127, 69745040), (155, 57145936), (248, 35716210), (254, 34872520), (310, 28572968), (496, 17858105), (508, 17436260), (620, 14286484), (635, 13949008), (1016, 8718130), (1240, 7143242), (1270, 6974504), (2032, 4359065), (2480, 3571621), (2540, 3487252), (3937, 2249840), (5080, 1743626), (7874, 1124920), (10160, 871813), (15748, 562460), (19685, 449968), (28123, 314960), (31496, 281230), (39370, 224984), (56246, 157480), (62992, 140615), (78740, 112492)]