980720080

素因数分解:

$2^4\times 5^1\times {\mathrm{2969}}^1\times {\mathrm{4129}}^1$

素因数の和:7111

約数の個数: 40

約数和(自身を含む): 2281494600

約数和(自身を除く): 1300774520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2969, 4129, 5938, 8258, 11876, 14845, 16516, 20645, 23752, 29690, 33032, 41290, 47504, 59380, 66064, 82580, 118760, 165160, 237520, 330320, 12259001, 24518002, 49036004, 61295005, 98072008, 122590010, 196144016, 245180020, 490360040, 980720080]

約数ペア:

[(1, 980720080), (2, 490360040), (4, 245180020), (5, 196144016), (8, 122590010), (10, 98072008), (16, 61295005), (20, 49036004), (40, 24518002), (80, 12259001), (2969, 330320), (4129, 237520), (5938, 165160), (8258, 118760), (11876, 82580), (14845, 66064), (16516, 59380), (20645, 47504), (23752, 41290), (29690, 33032)]