165768560

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7703}}^1$

素因数の和:7985

約数の個数: 40

約数和(自身を含む): 386894880

約数和(自身を除く): 221126320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1345, 2152, 2690, 4304, 5380, 7703, 10760, 15406, 21520, 30812, 38515, 61624, 77030, 123248, 154060, 308120, 616240, 2072107, 4144214, 8288428, 10360535, 16576856, 20721070, 33153712, 41442140, 82884280, 165768560]

約数ペア:

[(1, 165768560), (2, 82884280), (4, 41442140), (5, 33153712), (8, 20721070), (10, 16576856), (16, 10360535), (20, 8288428), (40, 4144214), (80, 2072107), (269, 616240), (538, 308120), (1076, 154060), (1345, 123248), (2152, 77030), (2690, 61624), (4304, 38515), (5380, 30812), (7703, 21520), (10760, 15406)]