2519837480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{16001}}^1$

素因数の和:16170

約数の個数: 64

約数和(自身を含む): 5898977280

約数和(自身を除く): 3379139800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 1016, 1240, 1270, 2540, 3937, 5080, 7874, 15748, 16001, 19685, 31496, 32002, 39370, 64004, 78740, 80005, 128008, 157480, 160010, 320020, 496031, 640040, 992062, 1984124, 2032127, 2480155, 3968248, 4064254, 4960310, 8128508, 9920620, 10160635, 16257016, 19841240, 20321270, 40642540, 62995937, 81285080, 125991874, 251983748, 314979685, 503967496, 629959370, 1259918740, 2519837480]

約数ペア:

[(1, 2519837480), (2, 1259918740), (4, 629959370), (5, 503967496), (8, 314979685), (10, 251983748), (20, 125991874), (31, 81285080), (40, 62995937), (62, 40642540), (124, 20321270), (127, 19841240), (155, 16257016), (248, 10160635), (254, 9920620), (310, 8128508), (508, 4960310), (620, 4064254), (635, 3968248), (1016, 2480155), (1240, 2032127), (1270, 1984124), (2540, 992062), (3937, 640040), (5080, 496031), (7874, 320020), (15748, 160010), (16001, 157480), (19685, 128008), (31496, 80005), (32002, 78740), (39370, 64004)]