135406720

素因数分解:

$2^7\times 5^1\times {\mathrm{211573}}^1$

素因数の和:211592

約数の個数: 32

約数和(自身を含む): 323708220

約数和(自身を除く): 188301500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 211573, 423146, 846292, 1057865, 1692584, 2115730, 3385168, 4231460, 6770336, 8462920, 13540672, 16925840, 27081344, 33851680, 67703360, 135406720]

約数ペア:

[(1, 135406720), (2, 67703360), (4, 33851680), (5, 27081344), (8, 16925840), (10, 13540672), (16, 8462920), (20, 6770336), (32, 4231460), (40, 3385168), (64, 2115730), (80, 1692584), (128, 1057865), (160, 846292), (320, 423146), (640, 211573)]