128536460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11497}}^1$

素因数の和:11562

約数の個数: 48

約数和(自身を含む): 297476256

約数和(自身を除く): 168939796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 11497, 22994, 45988, 57485, 114970, 149461, 229940, 298922, 494371, 597844, 747305, 988742, 1494610, 1977484, 2471855, 2989220, 4943710, 6426823, 9887420, 12853646, 25707292, 32134115, 64268230, 128536460]

約数ペア:

[(1, 128536460), (2, 64268230), (4, 32134115), (5, 25707292), (10, 12853646), (13, 9887420), (20, 6426823), (26, 4943710), (43, 2989220), (52, 2471855), (65, 1977484), (86, 1494610), (130, 988742), (172, 747305), (215, 597844), (260, 494371), (430, 298922), (559, 229940), (860, 149461), (1118, 114970), (2236, 57485), (2795, 45988), (5590, 22994), (11180, 11497)]