258300000080

素因数分解:

$2^4\times 5^1\times {\mathrm{4129}}^1\times {\mathrm{781969}}^1$

素因数の和:786111

約数の個数: 40

約数和(自身を含む): 600693714600

約数和(自身を除く): 342393714520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4129, 8258, 16516, 20645, 33032, 41290, 66064, 82580, 165160, 330320, 781969, 1563938, 3127876, 3909845, 6255752, 7819690, 12511504, 15639380, 31278760, 62557520, 3228750001, 6457500002, 12915000004, 16143750005, 25830000008, 32287500010, 51660000016, 64575000020, 129150000040, 258300000080]

約数ペア:

[(1, 258300000080), (2, 129150000040), (4, 64575000020), (5, 51660000016), (8, 32287500010), (10, 25830000008), (16, 16143750005), (20, 12915000004), (40, 6457500002), (80, 3228750001), (4129, 62557520), (8258, 31278760), (16516, 15639380), (20645, 12511504), (33032, 7819690), (41290, 6255752), (66064, 3909845), (82580, 3127876), (165160, 1563938), (330320, 781969)]