134253440

素因数分解:

$2^7\times 5^1\times {\mathrm{209771}}^1$

素因数の和:209790

約数の個数: 32

約数和(自身を含む): 320951160

約数和(自身を除く): 186697720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 209771, 419542, 839084, 1048855, 1678168, 2097710, 3356336, 4195420, 6712672, 8390840, 13425344, 16781680, 26850688, 33563360, 67126720, 134253440]

約数ペア:

[(1, 134253440), (2, 67126720), (4, 33563360), (5, 26850688), (8, 16781680), (10, 13425344), (16, 8390840), (20, 6712672), (32, 4195420), (40, 3356336), (64, 2097710), (80, 1678168), (128, 1048855), (160, 839084), (320, 419542), (640, 209771)]