127482640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8089}}^1$

素因数の和:8299

約数の個数: 40

約数和(自身を含む): 297938520

約数和(自身を除く): 170455880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 8089, 15760, 16178, 32356, 40445, 64712, 80890, 129424, 161780, 323560, 647120, 1593533, 3187066, 6374132, 7967665, 12748264, 15935330, 25496528, 31870660, 63741320, 127482640]

約数ペア:

[(1, 127482640), (2, 63741320), (4, 31870660), (5, 25496528), (8, 15935330), (10, 12748264), (16, 7967665), (20, 6374132), (40, 3187066), (80, 1593533), (197, 647120), (394, 323560), (788, 161780), (985, 129424), (1576, 80890), (1970, 64712), (3152, 40445), (3940, 32356), (7880, 16178), (8089, 15760)]